Rador did not raise his voice. That was precisely why his verdict sounded worse than a threat.
He explained that a false mark did not remove the risk. A memory storm could counterfeit signs of infection, and the Ring of Silence protected a hundred thousand residents. If they opened the way for seventy-two people, someone else's echo might enter the city and bring down the barrier.
"One carriage does not equal Tarvel," Rador concluded.
A white seal appeared on the side of the burnt-out carriage. The same mark appeared on the track signals and the guards' wristbands. The status "not heard" stripped people of the right to enter the city, receive treatment, reclaim their property or even send a final message to their families. They were not killed on the spot. They were excluded in advance from those whose deaths required an explanation.
The passengers did not all grasp its meaning at once. The apothecary was the first to see that his work wristband had gone dark. Then a woman tried to call her husband, but the line informed her that the recipient did not accept contact from an unregistered source. An elderly man's record of his home vanished. He could still see the roof in the distance, but legally he could no longer enter it or leave the house to his children.
The white seal caused no pain. It severed the ties between a person and the city. Rador did not need to make the guards hate the passengers. It was enough to make helping them a violation for which everyone else would lose their rations, their jobs and the voices of their own dead.
Beran took the track badge from his chest and threw it onto the rails. It no longer opened any doors anyway.
"That's why they call it weight," he said. "They don't have to push us. They only have to take away everything we were holding on to."
Marek did not argue about the value of a human life. Rador already had an answer prepared for that argument.
Instead, he held up the stove indicator.
"The incineration order came before the mark."
The connection went silent for several seconds.
"A damaged sensor," Rador said.
"Then why did you close the log?"
The First Keeper did not answer. He ordered the repair branch line sealed and the remains of the carriage heated faster, to destroy any possible trace.
The official points turned. The rails ahead divided until the route ended at a buffer above the lowland. The Salt Guard was approaching from behind.
Oven Tar was the first onto the roof. He wore a white breastplate, with an oval copper plate gleaming at his throat. He moved without haste and kept his weapon lowered. Behind him came six guards carrying sacks of salt.
Oven addressed the conductor first. "Saya Renn, step away from the echo and hand over the vessel. The track master will surrender the unauthorised form. The passengers will remain where they are until they have been examined."
"You've already examined them," Saya answered. "The mark is false."
"I was given a different finding."
"Did you hear mine?"
Oven let his gaze rest on the sealed vessel, but did not argue. His task was not to decide who was right. He had to bring everything back under control quickly.
Saya placed herself between him and Yuna. The silver thread on the indicator showed that she had already bound her licence to the testimony. Oven noticed.
"If you take the vessel by force, the log will record the seizure of confirmed testimony," she said.
"The log can be closed along with the quarantine."
"It can. But then you'll know exactly what you closed."
Oven clenched his jaw. For a moment the edge of a burn showed beneath the copper plate. It was the kind of scar left by superheated air beside a sealed door; the mark ran down beneath his collar.
Marek remembered the reaction. Oven did not doubt the need for order. He doubted how much truth he was allowed before receiving an order.
Marek noticed something else: every time one of the passengers beat on the roof or a pipe, Oven looked away.
The guards opened the first sack.
Irsa recoiled. Even a few grains of white salt quenched the red in her body. If the salt struck the sparks, their link to the original impulse would be severed.
One grain did land on a listener. The spark did not die. First she forgot the way back to Marek, repeating her last turn and striking the edge of the roof. Irsa knocked the salt away, and Marek closed the task. The listener went still, then reddened again and returned to the others.
White salt was dangerous not because it caused pain. It left an action without meaning. The swarm could keep moving after it had forgotten whom it was saving.
"We have no way back," Marek said quietly to Beran.
"Not back," the old man agreed. "But there was a freight branch line below that they took off the new plans."
Beran pointed to the wall of the repair siding. An old incline ran behind the brickwork. It had once carried ash down to the lower district, the Soot.
Between them and the incline lay ten metres of dead rail and a set of disconnected points. The city circuit could not see them. The manual lever was behind the wall.
Marek sent a listener into a crack between the bricks. The spark found a rusted cable that had once transmitted mechanical force. Irsa followed her into it. Cold light ran beneath the wall.
Oven raised a hand.
"Final warning."
Marek held out the indicator showing the early incineration order.
"Check the time. If we're infected, you have nothing to lose. If we're not, you're about to salt the witnesses."
Oven could have knocked the instrument aside and carried on with the order. Instead, he took the indicator.
Nothing changed in his face. Only his fingers lingered on the line showing the start time.
Meanwhile, Irsa reached the old lever. She could not turn it by force, but she found the catch and burnt through it with the remnants of her heat. Beran struck the rail with his metal palm. The rusted cable jerked.
Behind the wall, the points turned heavily.
Beran briefly explained to the passengers what was about to happen to the carriage. The heavy carriage had to break through the old brickwork ahead at low speed. If they braked too early, they would be trapped under the salt. If they braked too late, the front bogie would leave the rails. The people lashed the handrails together again and lay down along the walls, but this time nobody expected Marek to solve everything alone.
Yuna sat by the pipe and prepared to give the signal once the points had turned: five knocks meant ready, and Marek was to give the sixth.
Marek heard five.
He did not answer at once. Oven stood before him with six armed men. One order to Irsa could bring the bricks down on the guards and clear the way. It would be easier than dragging the carriage past the salt.
Marek chose the rusted cable. He struck the sixth knock and released the brake.
The carriage, still held by the handbrake, rolled towards the brickwork.
"What are you doing?" Oven demanded sharply for the first time.
"We're going where your order can't reach," Beran answered.
The carriage buffer struck the old wall. Bricks tumbled down. Beyond them lay a dark tunnel and rails running beneath the city.
The guards threw the salt. The carriers lifted the edge of the tarpaulin, and the white wave struck the cloth. Two sparks lost their colour and their connection, but the passengers carried them beneath the tarpaulin with the others. Saya washed the grains away with water from her flask, and both forms answered again.
Oven did not give the order to fire. The indicator was still in his hand.
Rador saw the delay through the captain's breast seal and remotely closed every city stove to Marek. At the same instant, access to the medical stations, coal stores and water pumps went dark on the indicator. The white seal followed the people faster than the train.
One of the guards raised his weapon anyway. Oven pushed the barrel down with his hand.
"The order was to seize the form, not fire on the carriage."
"The First Keeper has changed the order."
"I am still captain until I am informed otherwise."
While the guards waited for clarification, Beran took hold of the handbrake again. Oven had not become an ally, but for the first time he placed the precise wording above a convenient interpretation.
The carriage plunged into the tunnel.
Several hundred metres farther on, the rails ended above a flooded chasm. An old word had been scratched into the wall: "Soot".
No such district existed on any modern map.
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