Chapter 26 - The Steam and the Scalpel
The high-pressure bypass valves on the 1912 steam risers were never meant to be opened all at once.
When the brass teeth of Julian’s triangular key engaged the internal trip-seals, the system didn't merely vent; it detonated with a pressurized wall of white-hot vapor that blasted out of the secondary heating conduits at four hundred degrees Fahrenheit.
The lead contractor never even pulled the trigger.
The thermal blast caught him squarely in the chest, the superheated steam violently expanding against his tactical gear, clouding his thermal optics with instant, impenetrable condensation and boiling the air in his lungs. He shrieked—a short, strangled sound that was immediately drowned out by the scream of tearing metal as three separate expansion joints ruptured along the ceiling.
"Ambush!" one of the rear contractors yelled, spraying a blind arc of fire toward the burst pipe. The bullets sparked wildly off the cast-iron steam mains, ricocheting through the opaque white fog that instantly engulfed the gallery.
"Marcus! Down!" I screamed, my voice cutting through the roar of the steam.
I didn't wait for him to process the sound. I kicked open the rusted sheet-metal access panel at the base of the brick riser, lunged out of the cavity, and slid across the wet concrete. The air was blinding, choking, so thick with mist that the halogen work lights were reduced to dull, milky halos.
I grabbed Marcus by the collar of his ruined shirt and dragged him violently sideways, hauling him into the deep, arched alcove of the old coal elevator just as a hail of 5.56 rounds chewed through the concrete where he had been lying.
Marcus rolled over, coughing violently, his hand immediately coming up to grip my wrist. His fingers were shaking, slick with blood and sweat, but when his eyes focused on my face through the steam, the absolute shock in his expression nearly broke through my adrenaline.
"Nina?" he gasped, his voice shredded by smoke. "How... what are you doing here? I locked the penthouse elevators!"
"You locked the modern ones," I hissed, pressing my back flat against the cold cast iron of the coal hoist frame. "Julian gave me the key to the pneumatic network."
Marcus froze, his breath catching in his throat despite the scalding heat. "Julian? Julian is dead. Nina, what are you talking about?"
"He's in Sub-Level 7," I said, my voice dropping into a razor-sharp whisper as I listened to the frantic footsteps of Vance’s men repositioning through the steam. "He has been down there for seven years, Marcus. The coffin at Oakridge was a decoy. Eleanor was a distraction. Jonathan Vance isn't here for the restaurant's vault—he's here for the municipal charters."
Marcus stared at me, the blood draining from his face beneath the layer of soot. "My uncle... he told the family council that Julian had absconded with twenty million in bearer bonds. That’s why Dennis took the case... to clear our family's name..."
"Your uncle lied to all of you," I said coldly. "He used Dennis to bind the legal estate, and he used Eleanor to torment me so nobody would look at the foundations. But right now, we have three armed mercenaries in this gallery who are regaining their bearings, and the auxiliary boiler is going to blow its seals in four minutes."
Through the billowing white fog, the sound of Jonathan Vance’s voice cut through the hiss of escaping steam—no longer cultured, no longer amused, but crackling with a cold, aristocratic rage.
"Seal the blast doors to Sub-Level 5!" Vance commanded from the far end of the corridor. "They cannot survive the steam pressure for long! Bring the thermite charges! We burn the archives from the upper bulkhead!"
"They're falling back toward the secondary control room," Marcus whispered, his hand reaching down to unholster a spare magazine from his ankle rig, his fingers working with rapid, mechanical efficiency to clear the jammed slide of his sidearm. "Nina, Sub-Level 5 houses the structural anchors for the whole north wing. If they light thermite charges against those footings, the restaurant above will drop six feet into the street."
"They won't get the chance," I said.
I reached into my pocket and pulled out my father’s brass micrometer—a solid, five-pound bar of machined steel and hardened brass, its edges ground to mathematical perfection.
"You know the Rosetta's architectural schematics, Marcus. When the steam pressure in this line hits eighty pounds per square inch, what happens to the drainage siphon under the central sump?"
Marcus’s eyes widened behind his soot-stained glasses. "The siphon... it creates an immediate vacuum in the grease traps of the main kitchen."
"And what sits directly above the grease traps on the mezzanine floor?"
A slow, grim smile broke through the blood and dust on Marcus’s face. "The industrial nitrogen tanks for the flash-freezers."
May you like
"Vance wanted to play with fire in my father's house," I whispered, stepping toward the heavy cast-iron valve wheel set into the wall of the coal alcove. "Let's see how his men handle forty below zero."
***
