The Tide Wall
Read Chapter 14: The Antenna of Power
The vent shaft spat them out into a maintenance crawlspace that smelled of rust and stagnant water. Tess’s breathing was shallow, each inhale a wet rasp that Finn could feel against his back as he carried her through the dark. Her blood had soaked through the torn strips of his shirt, warm and sticky against his shoulder.
He found the grate at the end of the crawlspace—a maintenance door with a corroded lock that yielded to Danny’s key with a soft click. Beyond it, a drainage culvert ran west toward the low zone, its walls slick with algae and time. Finn lowered Tess into the shallow water and pulled the grate shut behind them.
“Don’t.” Tess’s voice was barely a whisper. She grabbed his wrist with surprising force. “Don’t you dare leave me and go up that tower alone.”
“You need a doctor, not a revolution,” Finn said, working to keep his voice steady. “Anya knows a woman in the Fens who patches people up without questions. I’ll get you there, and then I’ll go.”
“And if you die?”
“Then the drains close and we all drown anyway.” He lifted her again, ignoring the burn in his arms. “So dying’s not in the plan.”
The Fens safehouse was a half-sunken barge moored against the base of the old railway viaduct, its hull painted with peeling rust and its windows boarded over. Mistress Wu came to the door with a blade in one hand and a lantern in the other. She took one look at Tess’s pallor and pushed the door open wide without a word.
Finn laid Tess on a cot that smelled of camphor and old wool. Wu worked with practiced efficiency—cutting away the soaked bandage, clamping the torn vessel, stitching with thread from a rusted tin. Tess’s eyes fluttered open once, found Finn’s face, and held there.
“The chip,” she whispered. “When they shot me, I dropped it. It’s still at the ambush site.”
“I’ll find it.”
“No.” She shook her head weakly. “It’s gone. Carver’s people would have swept the place. But if they have it, they don’t know what it does. Not yet.” Her fingers found his. “Meaning they’ll be looking for you to tell them. Or for me.”
“Then we have even less time.”
Dawn was leaking through the viaduct’s gaps as Finn stepped out onto the barge’s deck. He looked down at the evidence satchel that had been strapped to his back when they’d run from the ambush—still there, miraculously. But the schematic he’d carried since the beginning was gone, confiscated with his tools. What remained were the few slim files he’d memorized and Danny’s key.
The antenna tower rose from the eastern edge of the high zone like a needle piercing the belly of the sky. Twelve hundred feet of reinforced carbon composite, its upper third bristling with broadcast nodes and uplink dishes. At its base, a hardened facility housed the switching gear and the duty engineers who kept the municipal signal alive. From that facility, one cable ran up the tower’s spine to the transmitter array, where a single connection could hijack every screen and speaker within a hundred kilometers.
The drain order would bury that in the noise. But the truth, broadcast from the city’s own lungs, might still reach the ears of those who could stop it.
Finn stripped off his coat and threaded through the abandoned stackyards north of the high zone, keeping the waterline low. He swam the last eight hundred meters, keeping only his head above the murky surface, until the tower’s shadow fell across him. The base facility was four stories tall, windowless, ringed by motion-scanners and automated turrets that tracked on heat and movement. Two guards patrolled the perimeter on a slow circuit, their helmet lights sweeping the floodwater’s edge.
A ladder ran up the observation pillar that flanked the main structure—clearly visible, clearly watched. But ten meters above the waterline, an old maintenance hatch was corroded open, and beyond it, a service ladder ran up the pillar’s interior shaft all the way to the broadcast console level.
The hatch had been left open for years, too high for anyone to notice or care. Too high for anyone to think of it as a way in.
Finn pressed himself flat against the pillar’s rusted flank and climbed.
The interior shaft was black and humming with the thrum of power through the adjacent cable runs. He climbed hand over hand, Danny’s key warm against his chest, his muscles screaming after the night’s violence. At the sixth floor, a small utility platform jutted into the shaft beside a junction box that controlled the broadcast antenna’s uplink power.
He was twelve feet from the platform when a panel slid open above him.
A drone dropped into the shaft—the sleek, matte-black shape of high-zone security. Its sensor cluster swiveled, locking onto him with an audible click.
Finn flattened himself against the ladder as a projectile pierced the air where his head had been. The shaft rang with the ricochet. He dropped, hand over hand, the drone descending after him. Another shot clipped the rung beside his ear, sending sparks and hot metal across his cheek.
He hit the hatch level and swung out, but a third shot caught his calf, and the leg buckled. He hung one-handed from the hatch frame, forty feet above the water below, as the drone descended into the opening.
Then the shaft’s entire length ignited with light and noise. A second drone, bulkier and jury-rigged, dropped from above—a cargo hauler rebranded with welded armor and a spray-painted wave sigil across its hull. It slammed into the security drone in a screech of crumpled metal and sent both spinning down into the flooded base of the shaft with a heavy splash.
A rope ladder unspooled from the hauler’s underside. Anya’s face appeared in the open cargo door above, her red hair whipping in the wind, her grin sharp and dangerous.
“You didn’t think I’d let you have all the fun?” she shouted over the rotor wash.
Finn grabbed the ladder with both hands and hauled himself up as the security alarms began to wail across the facility’s surface.
The cargo hold was cramped, smelling of hydraulic fluid and scorched wiring. Anya worked the controls with unsettling ease, one hand on a jury-rigged console that crackled with exposed wires.
“Where’d you get this?” Finn asked, clutching his bleeding calf.
“Salvaged it from the old naval storage depot in the eastern reaches,” she said without looking up. “The beacon’s calibration file you found with Chen—I pulled the rest of it off the data chip before Tess went down. This thing’s autopilot runs on the same frequency band. I hacked into the municipal drone channel and let the base think I was a transport bringing maintenance equipment. They opened the perimeter gate for me.”
“You had the schematic all along?”
“I had part of it.” She guided the drone up into the morning cloud cover, out of the turrets’ line of sight. “Enough to know this facility has a secondary feed that bypasses the broadcast array entirely. Runs through the floodgates’ control system. If you jack into that, you don’t need the main transmitter at all.”
“But Chen’s recording is on the data chip,” Finn said. “And that’s still missing.”
“It’s not.” Anya’s grin turned grim. “I made copies. Lots of copies.” She reached beside her seat and produced a second chip, tiny and unassuming. “This one has everything—Chen’s message, the drain orders, the calibration files, and a clean copy of the beacon’s encrypted data. All it needs is a transmitter strong enough to carry it.”
Finn stared at the chip. Below them, searchlights cut through the morning haze as the facility’s defenses oriented to track them.
“We still need to get the signal out,” he said.
“We do.” Anya jabbed a thumb toward the tower’s peak. “And the fastest route is straight through the front door. The drone channel made me look like a friendly until the alarms hit. They won’t expect us to come back hot.”
She angled the hauler toward the tower’s upper service deck, where a maintenance access door sat blind to the facility’s main security array.
Finn tightened his grip on his bleeding leg and smiled despite the pain.
“Then let’s not keep them waiting.”
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