Read Chapter 26: The Wave Warning

The first shudder came through the hull like a heartbeat through a corpse. Finn felt it in his boots, in the splintered deck of the mill’s old loading dock, in the teeth of the wrench he was using to brace the water intake valve. He stopped. Listened.

The water outside the mill was wrong.

Not the usual slap of tide against pilings. This was a deep, rolling draw, as if something enormous had breathed in beneath the river, sucking the surface down before it exhaled. The boats tied at the jetty—twenty-three of them, every vessel Tess and the others had managed to gather—all swung hard on their lines, prows pointing out toward the channel. The water level dropped a full foot in seconds.

“Finn.” Tess’s voice came from the upper walkway, sharp and clear. She was already moving, her boots ringing on the iron stairs, her eyes fixed on the horizon beyond the mill’s broken windows. “You feel that?”

“Tide’s pulling off.” He dropped the wrench and limped to the edge of the dock, favoring his left arm, which hung dead at his side beneath his soaked jacket. The fever had settled into his bones like a second tide, hot and relentless. “That’s not natural. That’s draw.”

“Draw from what?”

He didn’t answer. Because he knew. They all knew. The barrier wall was the city’s spine, the only thing holding back the drowned North Sea. And spines did not flex.

Then the sound came.

Not thunder. Not a crash. A low, groaning pressure, like the whole of the wall had been twisted in a giant fist. The water surged back in a single violent rush, and the boats at the jetty slammed against their moorings, lines snapping like whipcracks. Finn grabbed the dock rail as the deck lurched beneath him, and Tess was already shouting orders, her voice cutting through the rising chaos.

“All hands! Cast off! Get your bows into the swell or you’ll be stove against the pilings!”

The wave was coming. Finn could see it now, rising over the rooftops of the drowned district beyond the mill—a wall of dark water that had no right to exist this far inland, this close to the barrier. It caught the low sun like bruised iron, and it was moving.

“He did it,” Finn muttered, staring at the roiling mass. “Danny blew the shield junction.”

“Then we’re dead,” said a voice behind him. Carver, hauling himself up onto the dock from a skiff he’d arrived in twenty minutes ago, his face pale and streaked with engine grease. He had refused to leave, insisted on seeing the plan through. Finn still didn’t trust him. But here he was.

“We’re not dead yet,” Finn said. He turned to the dock, to the chaos of families and boatmen and the remnants of the low-zone’s fleet scrambling to cast off. “Get everyone out. Now. Riders on every boat. Don’t fight the wave—ride it. Keep your bows pointed into it and your engines at quarter throttle. Anything less and you’ll broach.”

He didn’t wait for acknowledgment. He was already moving down the dock, shouting to the nearest boat—Wu’s old flatboat, manned by a girl named Merrit who’d lost her parents in the first floods and hadn’t spoken since.

“Merrit! Take the north channel, stay wide of the mill’s lee. You’ll get the worst of the rebound there.”

She nodded once, eyes clear and steady, and threw off the lines.

The wave hit the outer edge of the district like a fist through wet paper.

The first explosion of water came as a towering spray that blotted out the sky, and then the sound arrived—not the groan of the barrier now, but the roar of the sea coming home. Buildings that had stood for decades, their tops just poking above the waterline, vanished under the surge. The dock under Finn’s feet bucked and came apart in splinters. He was in the water before he knew he’d fallen, the cold driving the breath from his lungs, his good arm flailing for something solid.

A hand caught his collar and hauled him up.

“You’re too useful to drown, boatman.” Carver’s voice, strained and bitter, as he dragged Finn over the gunwale of the skiff. “And I owe you that much.”

Finn sprawled on the deck, coughing salt, his vision swimming. The wave was already past the mill, sweeping over the low zone in a rolling boil of debris. But the boats—his boats—were riding it. He saw them through the spray, bows lifting over the swell, engines chugging against the current. Merrit’s flatboat was up, riding the crest like she’d done it her whole life.

Tess’s voice crackled over the near-field radio strapped to Carver’s belt.

“—finn, do you read? The wave is past the outer markers. Repeat, the wave is past. We are holding. What the hell was that?”

Finn grabbed the radio with his good hand.

“That was Danny.” He spat salt and blood. “He didn’t just breach the wall. He hit the shield. The one Voss built to protect the core. He took it out.”

Silence. Then Tess’s voice, quieter.

“Then the core is flooding.”

“The core is flooding,” Finn confirmed. “The whole financial district is about to get a lesson in what the low zones have lived with for twenty years.”

He tried to push himself up, and the world tilted sideways. Carver shoved him back down.

“You’re burning up, Delaney. You’re no good to anyone dead.”

The radio crackled again, but this time the voice was different. Encrypted burst, a frequency Finn knew from the old days—the emergency broadcast loop that ran on the city’s public channels. It was the official. Voss’s man. The voice that had ordered the low zones drowned.

“—by order of the Metropolitan Emergency Authority, effective immediately, martial law is declared across all districts. The barrier breach is the work of terrorist elements within the flooded zones. All perimeter gates are to remain sealed until the contamination threat is neutralized. All boats found outside designated corridors will be fired upon without warning.”

Finn laughed. A wet, hacking sound that turned into a cough.

“Neutralized. They’re going to shoot us for surviving.”

Then, another voice cut across the martial law broadcast. It was Tess’s voice, but flattened and processed, running through a thousand speakers across every district of London. The broadcast she had been preparing for days, the one she’d thought they’d never get to send.

“Citizens. My name is Tess Delacroix. I am speaking from the low zone. You have been told that the barrier breach was an act of terror. It was not. It was an act of refusal. The official you have trusted ordered the permanent flooding of forty-one districts—your districts—to protect the financial core. He planned to close the gates at midnight tonight and let us die slowly, out of sight. We have the documents. We have the plan. And we will not let you forget it.”

The wave had passed. The water was settling, still churning high but no longer surging. Finn lay in the bottom of Carver’s skiff, staring up at a sky that was turning orange and black with smoke from the core, and he felt something he hadn’t felt in days.

Not hope.

Clarity.

Carver leaned over him, his face a mask of conflict.

“She just declared war on the whole high zone.”

“No,” Finn said, dragging himself to the helm. “She just gave them something to drown in.”

Ahead, over the roofs of the half-submerged city, the barrier wall was no longer a clean horizon. It was broken. Smoke rose from the financial core, and the water was still rising.

They were all in the sea now. The only question was who would swim.