Chapter 12: The Pursuit Through the Lower Maintenance Tunnels

The digital trace from the locker 114 transmitter bounced rapidly across Moretti's internal routing grid, skipping from the staff quarters down into the subterranean cooling vaults that ran beneath the entire estate. Without a word, Marcus and I broke into a run, our boots slamming against the concrete floor of the service corridor as we chased the narrowing signal coordinates.
The air grew damp and heavy the deeper we descended, smelling of ozone and stagnant river water from the nearby bay. Massive iron pipes hissed overhead, venting steam that blurred our vision and muffled the sound of our pursuit.
"The signal is stationary," I called out over the roar of a ventilation turbine, gripping the burner phone tight in my palm as the blinking green indicator began to pulse with blinding speed. "We're right on top of them."
We rounded a sharp corner into the primary maintenance junction—a vast, concrete-walled chamber dominated by the estate's main electrical transformers. Slender shadows stretched long and distorted across the floor under the harsh yellow glow of emergency floodlights.
Standing beside the primary junction box was a figure in a dark hooded utility jacket, frantically pulling wires from the master terminal. It was Thomas, one of the estate's senior electrical contractors, his hands trembling as he tried to yank a secondary hard drive free from its mounting bracket.
"Thomas!" Marcus shouted, leveling his weapon. "Step away from the terminal. Hands where I can see them!"
Thomas spun around, his eyes wide with a frantic, cornered panic. He wasn't holding a wrench or a screwdriver; in his right hand, he clutched a heavy brass ledger bound in cracked leather—the exact physical backup of Moretti's operational records that Julian had failed to destroy.
"Stay back!" Thomas yelled, his voice cracking against the concrete walls. "You don't understand what these people are. If Moretti gets that ledger, we're all dead men!"
"You sold the access codes, Thomas," I said, stepping out from behind Marcus's shoulder to block the only exit tunnel. "You let the wiretap into the dining room. You're the one who betrayed everyone in this house."
"I saved myself," Thomas snarled, his fingers tightening around the brass spine of the ledger. "And you're a fool for carrying Moretti's water."
With a sudden, violent motion, Thomas slammed his fist down onto the manual emergency breaker switch mounted on the wall. The overhead emergency lights flickered violently and died, plunging the entire chamber into absolute, suffocating darkness.
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In the sudden blackness, the sound of scrambling boots echoed off the concrete. I lunged forward into the dark, my hands sweeping across the damp floor just as a body bolted past me toward the secondary escape ladder. My fingers caught the hem of Thomas's jacket, dragging him down hard onto the rough concrete with a muffled grunt.
Marcus was on us a second later, his flashlight clicking on with a sharp snap, cutting through the gloom to illuminate Thomas pinned beneath my weight, the leather ledger clattering across the floor between us.