Chapter 58 - The Descent into the Trench
The maintenance flume was pitch-black.
The only illumination came from the tiny, pulsing red emergency strobe mounted at fifty-foot intervals along the ceiling, casting rhythmic, blood-red flashes over the rusted iron walls of the pipe.
The air was thick with the stench of ozone, diesel oil, and stagnant sewer gas.
"Keep moving," Julian wheezed, his breath coming in shallow, rattling gasps. He was leaning heavily against the curved wall of the tunnel, his right arm dangling uselessly, his hand completely drenched in blood. "The flume slopes upward toward the old Calumet shipping canal intake. It’s an eighth of a mile. If the main vault collapses completely, the vacuum pressure will suck this whole pipe flat."
Sarah was shivering violently against my side. I kept one arm locked tightly around her shoulders, the other feeling along the damp iron rivets of the wall. She was barefoot, wearing only the thin cotton gown she had been put in before being placed into the cryo-sphere.
"Clara," Sarah whispered, her teeth clicking together uncontrollably. "My head... it feels like there's an iron band around it. Like someone is whispering numbers in the dark."
My stomach turned to ice. "What kind of numbers, Sarah?"
"Coordinates," she murmured, her voice distant, hollow, as if she were speaking through a long subterranean echo. "41.8781... 87.6298... The deep ledger. The vault under the Chicago Board of Trade. Clara... he’s still in the wire. Arthur didn't just upload to the sphere. He uploaded to the city’s municipal grid."
Julian stopped in his tracks, turning his head in the flashing red light. "What did she say?"
"She said Arthur’s mind was linked to the city grid," I replied, panic clutching my chest. "Julian, how much data did that cradle transmit before you shot the transformer?"
Julian cursed under his breath, a venomous, guttural string of profanities. "The Sterling fiber-optic line doesn't run through commercial internet service providers. Arthur laid his own dark-fiber cables along the old Chicago pneumatic tube tunnels thirty years ago. If the transfer had even a twenty-percent bandwidth handshake with the Board of Trade servers... he’s not just a digital ghost down here. He’s alive in the financial infrastructure of the entire Midwest."
A deep, subterranean rumble shook the pipe beneath our feet.
Behind us, the heavy hatch we had just sealed bulged inward with a terrifying screech of warping metal. The sound of thousands of gallons of water rushing into the collapsed vault echoed through the iron, followed by a concussive shockwave that knocked all three of us to our knees.
"Move!" Julian shouted, grabbing my jacket and hauling me forward.
We ran.
We ran through the dark, through inches of rancid runoff water that coated the bottom of the flume, our lungs burning with toxic air, driven purely by the primal instinct to survive.
Fifty yards ahead, a circular ladder led upward through a vertical shaft. At the top of the shaft, a pale, dim shaft of grey daylight cut through a heavy iron grating.
Daylight.
Real, freezing, winter daylight.
"Julian, the ladder!" I called out.
"Take Sarah first!" he yelled, collapsing against the bottom rungs, his chest heaving, his face ashen. "I'm right behind you! Go!"
I grabbed Sarah by the waist and hoisted her onto the first rung. "Climb, Sarah. Don't look down. Just look at the light."
Sarah, driven by pure fear, climbed with frantic speed. I stayed right beneath her, ready to catch her if her frozen hands slipped on the greasy iron. Rung by rung, we ascended the thirty-foot vertical shaft, away from the roaring water below, away from the smell of death and ozone.
At the top, Sarah pushed against the iron grating.
It was locked with a heavy padlock from the outside.
"Clara! It won't open!" she cried, tears cutting tracks through the grime on her face.
Beneath me, Julian was struggling up the ladder, using only his left arm and his legs, groaning with every movement as his shattered shoulder ground bone against bone.
"Julian, it's padlocked!" I shouted down to him.
Julian reached into his tactical vest, pulled out a small, magnetic shaped-charge no larger than a deck of cards, and held it up to me. "Slap this against the shackle! Press the red arming toggle! You have five seconds to shield Sarah's face!"
I grabbed the charge from his trembling fingers, slammed the magnetic base against the hardened steel padlock, and flipped the toggle.
A high-pitched beep began to count down.
*BEEP. BEEP. BEEP.*
"Sarah, down!" I screamed, grabbing her by the waist and pulling her body beneath mine on the ladder, pressing our faces into the cold iron rungs.
*CRACK!*
A blinding flash of white light and a sharp, concussive pop shattered the lock into fragments of molten slag. The iron grating blew open, swinging upward on its hinges into the freezing wind.
Cold air slammed into our faces—pure, freezing, sub-zero Chicago winter air, smelling of snow, lake salt, and industrial smoke.
I shoved the grating open completely, pushed Sarah up onto the snow-covered ground, and scrambled out after her.
I turned back to help Julian.
Julian was two rungs from the top. He reached his left hand up toward me, his fingers trembling, covered in black grease and crimson blood.
"Clara..." he whispered.
Before I could grab his hand, the iron pipe forty feet below us completely imploded.
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A massive, deafening roar tore through the shaft as the full weight of Lake Michigan breached the maintenance tunnel. A geyser of black, freezing water shot upward through the vertical chimney like a cannon shot.
"Julian!" I screamed, lunging my arm down into the darkness.
