The Haele family dining room, by all available evidence, had twenty-eight chairs, a view of the river from the terrace, and enough candle fixtures to light a small theater. Marcus knew this because Sable had described it once, in passing, the way she described most things of political significance, with the precise disinterest of someone who found the details relevant and the people tedious.

  He was not thinking about the Haele dining room on Wednesday night. He was thinking about Station Twelve.

  Station Twelve was the junction point where the eastern canal feed split into three distribution channels serving the lower terraces, the waterfront industrial district, and the Kettle Dock residential quarter. It was also, based on his inspection logs from the previous week, running a throughput pattern that was six percent above its rated capacity. Six percent was nothing in a healthy system. Six percent in a system that had been running with diverted allocations for four months was the difference between stable and not.

  He'd noticed it that afternoon, during his regular route, and he'd logged it the way Lira had taught him. Clean numbers. No editorializing. The log would go to Voss, who would read it with the expression of a man receiving information he already had in a format he couldn't ignore, and then it would go into the system, where it would be acknowledged and noted and filed alongside Dalla's reports and Thessaly's complaints and every other observation that had been correct and insufficient.

  He ate dinner at Grainer's. The stew was the fish version, the one with the peppery base and the chunks of river fish that broke apart on the spoon. The bread fought back, as the bread always fought back, the dense dark crust requiring the kind of jaw commitment that suggested the baker had strong opinions about what bread should ask of the person eating it. Grainer's daughter was behind the bar and she had the particular talent of providing food without initiating conversation, which Marcus appreciated on nights when his brain was still running numbers from the afternoon's readings.

  The common room had five people in it. Three were regulars whose names Marcus knew and whose habits he'd catalogued without meaning to, the way he catalogued everything. The old woman in the corner with her bread and soup. A canal worker named Pol who came in every evening at six and left at seven-thirty and drank exactly one beer with his meal, the same beer, from the same cup. And a thin human man who sat by the window and appeared to be writing letters, his pen moving with the methodical pace of someone who was composing rather than copying.

  Marcus finished his stew. He washed his bowl at the basin, which was a habit he'd developed in his first week and which Grainer's daughter had observed without comment, recognizing it as the behavior of a man who would rather clean up after himself than owe a debt, even a small one, even one that nobody was counting.

  He went upstairs. He lay on the bed. He looked at the ceiling crack.

  He did not sleep.

  The thing about pattern recognition was that it didn't have an off switch. His brain had been doing the math on Station Twelve's throughput since three o'clock, and the math kept coming back wrong, and the wrongness had a shape to it that he recognized from Station Nine. Not the same failure mode. The same trajectory. A system being asked to carry more than it was rated for, compensating through mechanisms that degraded under sustained load, approaching the point where the compensating mechanisms themselves became the failure.

  The ceiling crack ran from the corner to a point roughly above his head, a thin dark line against the plaster that had probably been there for years and would be there for years more. Grainer's inn was well-built. The crack was cosmetic. Marcus had assessed it his first night, the way he assessed every structure he occupied, and had determined that it posed no risk and carried no meaning beyond the ordinary fact that plaster cracked when buildings settled and buildings always settled.

  He stared at it and thought about throughput curves.

  At half past nine he heard the evening lock cycle start, the deep mechanical groan from the canal that meant the night schedule was beginning. The sound traveled through the stone walls and through the timber framing and through the bed frame and into his bones, and underneath the mechanical sound he could feel the mana pulse, faint but definite, the flow shifting as the system reallocated for the overnight cycle.

  Something in the pulse was wrong.

  He sat up. He put his feet on the floor. The stone was cold. He held still and concentrated, the way Dalla had taught Lira and Lira had taught him, feeling for information in the ambient flow the way you feel for a draft in a closed room.

  The throughput was elevated. Not by the six percent he'd logged that afternoon. By more. Significantly more. The canal was running hot, the mana density in the lower section higher than the evening allocation should allow, pushing through the infrastructure with a pressure that felt like the water in a hose when someone turns the tap all the way open.

  He got up. He put on his boots. He went downstairs.

  Grainer's daughter looked at him from behind the bar with an expression that said she had noticed him leaving at half past ten on a work night and had opinions about this but was genetically incapable of expressing them.

  "Can't sleep," he said.

  She nodded. This was, he suspected, what passed for a warm exchange in the Grainer family.

  The canal at night was different.

  Not quieter. The water still moved, the locks still cycled on their evening schedule, and the artifice arrays still drew their ambient mana in the slow steady rhythm that powered the city's infrastructure through the dark hours. But the human noise was gone. No barge traffic. No dock workers calling to each other across the waterway. No vendors, no cart wheels, no halfling children running where they shouldn't be, no arguments about the freshness of things in jars. The canal at night was just the canal, doing what it had done for centuries without needing anyone's opinion about it.

  Marcus walked along the service path toward Station Twelve. His key worked on all the gates between Grainer's and the eastern junction. The southern gate was still locked out, but Twelve was on the eastern route, his route, the one Voss had assigned and Taveth had audited and Fennis had expressed a professional interest in. The path was stone, smooth and slightly damp from the evening mist that rose off the canal surface after dark, and his boots left prints that would be dry by morning.

  The night air was cool and smelled like canal water and the faint herbal trace of the soap the waterfront laundry used, which permeated everything within three blocks. The street lamps were dimmer after ten, the artifice drawing less mana as the city's demand dropped for the evening, their amber light reduced to a warm suggestion rather than illumination. His shadow moved on the canal wall in the half-light, long and thin, and he was aware, in the way he was always aware now, of the flow beneath his feet. The mana moving through the stone and water and earth, the pulse that Dalla felt and Lira felt and Kael felt through his hands and Marcus felt through whatever part of him it was that had decided, without his permission, to start paying attention to things it had no business paying attention to.

  The pulse was wrong. He could feel it more clearly here than he'd felt it in his room, the way you hear a noise better when you step outside to investigate. The throughput was elevated across the entire section, a sustained increase that had been introduced since the evening allocation started. Not a fluctuation. Not a spike. A controlled, maintained elevation.

  Station Twelve was at the junction, set into the canal wall where the main channel branched into three. The housing was newer than the elven-era stations further south, maybe a hundred years old, built with the practical stone-and-iron construction of the mid-expansion period when the city had been growing fast and the canal authority had been building to keep up. It had a maintenance hatch, a flow gauge with a needle that quivered in the lamplight, and an artifice array that Marcus could feel from twenty feet away, humming at a frequency that was audibly wrong to anyone who had spent weeks learning what right sounded like.

  He put his hands on the stone.

  The flow information came immediately. Clearer than it had been a month ago, sharper, the way a language you're learning starts to resolve from noise into meaning. Station Twelve was pulling hard. Not as hard as Fourteen, but harder than its rated capacity, and the excess was coming from upstream, from the main channel, from a source that was feeding more throughput into the eastern canal than the evening allocation schedule allowed.

  Someone was running the canal hot tonight.

  He pushed deeper into the flow, feeling for the source of the excess. The sensation was physical, not visual, not auditory, not any sense he had a word for. It was information arriving through his palms and translating into spatial awareness, the way touching a pipe tells you whether water is flowing through it and which direction. Except the pipe was a city's magical infrastructure and the water was mana and the information was arriving in a format his brain was still learning to decode.

  The excess wasn't random. It wasn't a natural fluctuation caused by the lock cycle or the evening demand drop or any of the normal variables that produced minor variations in the throughput curve. It was structured, deliberate, a pulse of additional throughput that had been introduced into the system within the last few hours. The signature was familiar. The same clean, professional adjustment he'd felt at the southern stations where the flow had been diverted to favor the cargo berths. The same hand on the controls. Someone who knew the allocation system well enough to modify it in real time without triggering the standard monitoring alarms.

  Except tonight the modification was larger than usual. Significantly larger. Enough additional throughput to stress not just the cargo berths but the junction point, and through the junction point, the three distribution channels that fed the lower half of the city. This wasn't the chronic low-level diversion that had been degrading Station Fourteen for months. This was an acute increase, a deliberate overload, the kind you'd introduce if you needed the cargo section to run at maximum capacity for a limited window.

  He stood with his hands on the stone and mapped it. The excess was flowing south and east through the canal system, concentrated in the channels that served the cargo berths and, through overflow, loading the lower terraces and the waterfront. If it continued at this rate, the pressure differential across Station Twelve's artifice array would exceed the compensating capacity within a few hours. After that, the same cascade he'd predicted for Station Fourteen would happen here, faster, because the array was younger and less robust than the ancient elven-era construction and because the junction was a branching point where failure would propagate in three directions simultaneously.

  But the excess wasn't designed to continue at this rate. That was the thing. It was too clean, too precise, too well-calculated to be a permanent adjustment. This was a temporary modification. Someone had increased the throughput for a specific period, probably a few hours, and would reduce it back to normal afterward. A controlled disruption. Planned. Deniable. The kind of adjustment that would show up in the flow records as a routine fluctuation within acceptable parameters, if the parameters were defined by the people who had made the adjustment.

  The question was why.

  Marcus let go of the stone. His hands tingled. His head ached, the dull pressure behind his eyes that was becoming familiar the way a runner's shin splints become familiar, a cost of the work that presented itself reliably after every effort. He stood in the dark at the junction and thought about what kind of event would require someone to quietly increase canal throughput for a few hours on a Wednesday night.

  The answer arrived the way his answers usually arrived, not in a flash of insight but in the slow assembly of observations that had been accumulating without his conscious attention. Fennis's card in his vest pocket. Sable's description of how the old families controlled canal access, using the infrastructure as an instrument of commercial and political advantage. The trade routing schedules that Voss posted on the yard bulletin board every Monday, showing which families had priority loading at which berths. The fact that increased throughput in the cargo channels meant faster lock cycling, and faster lock cycling meant more barges loaded per hour, and more barges loaded per hour during a specific window meant someone was moving cargo they didn't want counted on the regular manifest.

  And the Haele family dining room had twenty-eight chairs and a view of the river.

  Tonight was the dinner. The one Sable had mentioned in passing, when she'd been explaining how the old families synchronized their political maneuvers with canal operations. The dinner where trade policy was discussed over food that cost more than Marcus made in a month and agreements were reached between families whose combined wealth could purchase the lower terraces outright and the canal was adjusted to create the conditions under which those agreements could be executed without appearing in the official records.

  The increased throughput wasn't a disruption. It was the infrastructure component of a political event. The canal was being run hot to cover a cargo operation that was happening right now, while the people who benefited from it ate dinner and talked policy in a room with twenty-eight chairs and candle fixtures and a view of the river they were quietly exploiting.

  And Station Twelve was going to eat the cost.

  He didn't think about it. He should have thought about it. A reasonable person would have weighed the options, considered the politics, calculated the personal risk of intervening in an operation orchestrated by people who could have his provisional contract terminated with a word to the right office. A person who had learned, as Marcus had learned in Ohio, that identifying problems and being able to fix them were different things, and that the space between those two things was where people got hurt, would have turned around and gone back to bed.

  This story has been taken without authorization. Report any sightings.

  Marcus put his hands back on the stone and began to work.

  The flow was dense and moving fast. He could feel the excess throughput like a current in a swollen river, pulling south through the junction toward the three distribution channels. His job was simple in concept and brutal in execution. He needed to dampen the excess before it reached Station Twelve's artifice array, bleed the pressure through the overflow channels the way he'd done at Station Nine, and do it precisely enough that the junction's flow gauge would show a normal evening reading to anyone who checked it in the morning.

  He started with the overflow between Twelve and the eastern feeder. The channel was there, built into the original construction, a safety margin that the designers had included for exactly this kind of scenario, though they had probably imagined natural surges and seasonal fluctuations rather than a deliberate overload timed to coincide with a dinner party. He opened it the way he'd learned to open things in the canal's mana architecture, not with physical force but with directed attention, a sustained leaning against the flow restriction like pressing your shoulder into a heavy door until the latch gives. The restriction gave. The excess began to drain.

  His nose started bleeding. He ignored it. The blood ran down his upper lip and tasted like copper and he let it drip onto the canal wall where it would be invisible against the dark stone by morning. The blood was part of the cost. Every time he pushed against the flow, his body paid for the privilege, and the payments were getting larger.

  The overflow took some of the excess. Not enough. The throughput was too high and the overflow channel too small, designed for natural fluctuations, not for the volume of mana that someone was pushing through the cargo section tonight. He needed more drainage capacity, which meant opening secondary pathways in the junction's infrastructure, which meant pushing deeper into the flow architecture than he'd ever pushed before.

  He pushed.

  The sensation was like holding a door closed against a crowd. Pressure everywhere, in his palms, in his forearms, behind his eyes, in the bones of his skull. The mana was not hostile. It was not alive. It was not intelligent or malicious or purposeful. It was pressure, pure and physical, the same kind of pressure that moved water through pipes and electricity through wires and traffic through intersections. It didn't care about him. It moved because the system told it to move, and the system had been told to move more of it tonight, and Marcus was the only thing between the excess and a junction point that would fail if nobody intervened and nobody was going to intervene because nobody else was standing at Station Twelve at eleven o'clock on a Wednesday night with their hands on the stone and their nose bleeding into their shirt collar.

  He found the secondary pathway. A maintenance conduit, older than the station itself, probably left over from a previous construction phase and never decommissioned because nobody had gotten around to it, which was, in infrastructure, the most common reason things survived. The conduit ran east toward the river, which was exactly the right direction, because the river was the natural drainage for the entire canal system and any excess routed there would dissipate harmlessly into the water table. He opened it. The mana flowed through it with the reluctance of water moving through a pipe that hasn't been used in years, pushing past accumulated sediment and calcified restrictions and the general resistance of a pathway that had forgotten it was a pathway.

  He pushed harder. The conduit took the load. Slowly at first, then with increasing capacity as the flow cleared the accumulated debris the way a river clears a blocked channel, by persistence rather than force.

  The pressure at Station Twelve dropped. Not to normal. But below the critical threshold. The artifice array's hum changed pitch, from the strained whine of overload to the steady vibration of a system working hard but within its capacity. The junction held.

  He held the conduit open.

  He didn't know how long. Time didn't work normally when he was in the flow. The canal's infrastructure had its own temporal quality, a rhythm of pressures and releases that felt longer than clock time, or shorter, depending on the direction and intensity of the work. What he knew was that the excess throughput peaked, held at a plateau for what felt like an hour, and then gradually diminished as the operation upstream completed. The barges were loaded. The cargo was moved. The deals made in the room with twenty-eight chairs produced their material consequences in the form of goods transported through canal locks that cycled faster than they should have because someone had been willing to trade infrastructure stability for commercial speed.

  The dinner ended. The allocation returned to normal.

  He let go.

  The conduit closed behind him, the flow architecture settling back to its resting state like a muscle unclenching after a sustained effort. His hands were shaking. Not the manageable tingle from previous interventions. Real tremors, the kind that made his fingers unreliable, the kind that Grainer had from decades of proximity to heavy mana infrastructure. The thought occurred to him, distant and clinical in the way thoughts became when his body was exhausted and his brain was still processing, that he was doing to himself in weeks what the canal had done to Grainer over twenty years. That every intervention left a mark. That the marks were cumulative and the cumulation was going in one direction and the direction was the same one Maren the healer had described when she'd talked about channeling wear, the gradual degradation of tissue that pushed mana through it too often and too hard.

  He sat down on the canal wall with his back against the station housing. His nose had stopped bleeding but his shirt collar was dark with it. His head pounded. His vision had the bright-edged quality of a migraine's approach, that shimmer at the periphery that meant his brain was unhappy about something he'd asked it to do.

  A cat walked along the far side of the canal wall, a grey shape moving with the particular confidence of an animal that owned its territory and was conducting a routine inspection. It paused and looked at Marcus with the evaluative gaze of a creature that had assessed his relevance and found it minimal. Then it moved on.

  Text appeared in his vision.

  Outcome Divergence Detected. Projected failure: Station Twelve junction array. Projected timeline: overridden. Causal density: increasing. Classification: under review.

  Under review. That was new. The previous messages had classified him or observed him or noted his actions with clinical detachment. Under review meant something was being reconsidered. The system, whatever it was, had a category for him and the category was no longer fitting. He was being reevaluated. Not by Taveth with her clipboard or Fennis with his card or Voss with his paperwork, but by whatever measured things at a scale that made those evaluations look like footnotes.

  He wiped his nose with the back of his hand. He stood up. The canal ran steady below him, back to its evening baseline, the excess throughput absorbed and dispersed through channels that hadn't been used in years and wouldn't be noticed in the morning. Station Twelve's flow gauge showed a needle in the normal range. The junction hummed at its proper frequency. Nothing visible had changed.

  He walked back to Grainer's. His hands shook the entire way. He held them in his pockets and nobody was on the street to see, because the streets of the lower canal district at midnight belonged to cats and canal workers and men whose compulsions had driven them out of bed to fix things that weren't theirs to fix.

  He didn't know about the dinner's consequences until Friday.

  Thursday was normal. He ran his route. His readings were clean. Station Twelve was stable. The junction hummed. The three distribution channels fed the lower city with the steady reliability of a system that didn't know how close it had come to failing the night before. Marcus logged his numbers and filed his report and went home and ate stew and went to bed and slept for eleven hours, which was more sleep than he'd gotten in any single stretch since arriving in Miravar and which left him feeling not rested but emptied, as if his body had used the sleep to pay off debts it had been accumulating.

  On Friday he stopped at Sable's shop after shift. She was at her cutting table, working on a commission, a bolt of dark green wool that caught the lamplight like water. Her shears moved through the fabric with the decisive sound of someone who cut once and never reconsidered.

  "The Haele dinner on Wednesday did not produce the outcome it was designed to produce," she said, without preamble and without looking up.

  Marcus sat on the customer stool. He said nothing. When Sable started a conversation this way, the best approach was to let her finish before asking questions, because she structured her information the way she structured her cutting, with a plan and a sequence and no tolerance for interruption.

  "The cargo operation that was supposed to run during the dinner was compromised," she continued. "Not stopped. Adjusted. The barges loaded, but the throughput window was narrower than planned, which meant fewer trips, which meant the consignment that was supposed to be in a warehouse on Dock Row by Thursday morning was only two-thirds complete." She made a cut. The sound was clean and final. "The Haele family's negotiating position with the Southern Port Collective was based on the full consignment being delivered as a demonstration of capacity. A statement. We can move this volume in this window because we control the infrastructure. It wasn't. They had to renegotiate at less favorable terms. Their margin on the southern agricultural contract dropped by a figure I'm told is significant, though I don't have the number."

  She set down the shears and looked up. Her amber eyes caught the lamplight and held it the way drake eyes held light, with that faint internal luminance that was probably physiological and felt like attention.

  "How do you know this?" Marcus asked.

  "A trader who works with the Collective mentioned it to a woman who buys linen from me on alternate Thursdays. The woman mentioned it because she thought it was amusing that the Haeles had overextended. She doesn't know why the throughput window was narrower. Nobody does. The canal authority's records will show that the evening allocation was within normal parameters, because the records are calibrated to the parameters that the Haeles themselves helped define." She folded her hands on the cutting table. "Nobody knows that the throughput was narrower because someone bled the excess through a maintenance conduit at Station Twelve. Except me. And now you."

  He sat with that. The shop smelled like wool and the faint metallic trace of the shears and the drake-spice tea Sable kept on a warmer behind the counter, a blend that smelled like smoke and pepper and something floral that Marcus couldn't identify and had decided was probably a drake ingredient that didn't exist in human cooking.

  "I didn't know about the dinner," he said. "I was checking Station Twelve because the flow was wrong."

  "I know."

  "I wasn't trying to disrupt anything. I was preventing a junction failure."

  "I know that too." She picked up a piece of the cut wool and examined the edge, running her thumb along it with the evaluative touch of someone who knew fabric the way Marcus knew infrastructure. "The problem, Cole, is that your intentions are irrelevant to the outcome. You prevented a junction failure. That failure was the acceptable cost of a political operation that has been running, in various forms, for longer than you've been alive. By preventing the cost, you disrupted the operation. The Haele family doesn't know why their plan didn't produce the expected result. They know that someone adjusted the flow at the junction during their window. They know this because their own monitoring showed the throughput normalization, which was not supposed to happen. They will look for who. They will look carefully. They will find answers, because finding answers is what the Haeles do and they've been doing it for three generations and they are very, very good at it."

  "They'll find me."

  "They'll find a provisional canal worker who has been filing inspection reports on their trade routing section and who was assigned an expanded route that covers the junction. They'll find that this worker was the subject of a canal authority audit three weeks ago and that a trade factor named Fennis introduced himself and received no useful information in return. They'll find that this worker appeared in Miravar seven weeks ago with no documented history and a mana sensitivity profile that no human in the region should have." She picked up the shears again. "They will find enough to be concerned and not enough to be certain. That gap between suspicion and certainty is the only thing between you and a very unpleasant conversation with people who don't have conversations they can't control the outcome of."

  Marcus looked at the green wool on her table. It was the same shade as the canal water in certain light, when the afternoon sun hit it at the right angle and the mana density was high enough to give the water a faint luminous quality that tourists mistook for magic and residents ignored because it was just the canal being the canal.

  "What do I do?" he asked.

  Sable cut the wool. The sound was clean and final. "You keep doing your job. You don't change your routine. You don't avoid the junction and you don't spend extra time there. You log your readings the way you always log them. You are, in every visible way, a canal worker doing canal work." She paused. "And you hope that the gap between their suspicion and their certainty is wide enough to last."

  "How long?"

  "I don't know." She folded the cut piece with precise hands, the way she folded everything, with an economy of motion that made the action look inevitable rather than chosen. "My mother's gap lasted eight years. But my mother wasn't an unclassified foreigner with a mana sensitivity that shouldn't exist and a compulsion to fix things that aren't his to fix."

  She said it without judgment. It was a description, not a criticism. Sable didn't waste energy on criticism when description was sufficient.

  He left the shop. The afternoon was bright and the market was busy with Friday traffic, vendors calling out the last of the week's stock with the particular urgency of people selling perishables against a calendar, shoppers moving with the specific determination of people who had two days off and wanted to stock their kitchens before the market closed.

  A halfling child was selling roasted nuts from a basket, calling out prices in a voice that was too loud for his size and exactly right for the profession. His basket was nearly empty, which meant either the nuts were very good or the price was very right, and from the smell they were very good. Marcus bought a handful. They were warm and salted and tasted like the sesame his sister used to put on things, except sharper, with a peppery finish that built slowly the way the river-spice in halfling cooking always built, arriving late and staying.

  Two drakes were having a conversation outside a metalworker's shop, their voices a low rumble, their gestures slow and deliberate. A stone person woman was loading crates onto a handcart with the careful efficiency of someone whose body could handle the weight without effort but whose hands knew the value of not dropping things. Three human women walked past arguing about the price of lamp oil, which had gone up again, which it always did when the canal authority adjusted the mana allocation for the industrial district, because lamp oil prices and mana allocation were connected through a chain of causes that most people didn't see and Marcus was beginning to.

  The city was doing what it always did. The canal was running. The infrastructure was holding, not because it was healthy but because someone had spent an hour on a Wednesday night bleeding pressure through a maintenance conduit that hadn't been used in decades, and nobody knew except the person who'd done it and the person who sold fabric on a side street in the market district.

  He walked home through the lower terraces, past the laundry with its herbal soap smell and the tanner with its chemical bite and the street where the old man sat on the step with his pipe and watched the world with proprietary attention. The old man was there. He nodded at Marcus. Marcus nodded back. They had never spoken. They didn't need to. The nod was a mutual acknowledgment of regular presence, which in a city where people came and went with the trade seasons was a form of belonging that meant more than it appeared to.

  He could feel the canal alongside him as he walked, the pulse and weight and breath of it, the constant background awareness that had settled into his senses over the weeks the way a new smell settles into a room until you stop noticing it except when you've been away and come back. Except Marcus never stopped noticing. The canal was always there, humming at the edge of his perception, its throughput and pressure and flow registering in some part of his brain that had been dormant before and was now fully, irrevocably, inconveniently awake.

  And underneath the baseline there was something new. A faint structural awareness that hadn't been there before Wednesday's intervention. He could feel Station Twelve specifically, its artifice array running within capacity, its junction point stable, its distribution channels feeding the lower city with the steady competence of a system that was designed to work and was working because someone had intervened and the intervention had cost him blood and pain and trembling hands and a system message that said under review.

  He went to Grainer's. He ate the stew. Grainer was behind the bar. His left hand trembled. The wooden bird sat on its shelf between the amber bottle and the clay cups, a small carved thing that Bren had made and that Grainer would never explain and that Marcus had stopped wondering about because some things were not his to understand. He ate the bread. The bread fought back. He went upstairs and lay on his back and looked at the ceiling crack and did not think about the Haele family dining room, or its twenty-eight chairs, or the view of the river from the terrace, or what happened to people who disrupted the plans of families that had been controlling a city's infrastructure for three generations.

  He thought about the word review.