The heavy mahogany door splinters on impact, the sudden crack echoing off the Italian marble like a gunshot.

Sparks explode into the dim light, showering the narrow aisle in bright blue light. The metallic smell of burning ozone fills the air instantly.

I hit the concrete floor hard, rolling onto my side, and yank the heavy tactical flashlight from my pocket. I hit the side button—not to turn on the light, but to activate the high-intensity 3,000-lumen strobe function designed to disorient attackers.

A blinding, pulsating beam of white light floods the narrow corridor.

Callum screams, dropping his hands to cover his eyes, completely blinded by the unexpected flash. He swings the poker blindly through the air, hitting nothing but concrete and wire casing.

“You bitch!” he roars, stumbling backward, his balance shattered by the disorienting strobe.

I don't hesitate. I spring from the floor and drive my shoulder directly into his chest.

We both crash to the ground. The iron poker clatters against the floor and rolls away into the darkness beneath the server stacks.

Callum thrashes wildly, grabbing my jacket collar, pulling me down, his fingers digging into my throat. He is stronger than me, driven by pure panic. I fight for air, my vision turning dark around the edges as his grip tightens.

“You... were... nothing!” he gasps out through gritted teeth, his face inches from mine, his eyes bloodshot and distorted by the pulsing light. “Just a shell company with a face!”

My hand searches the floor beside me. My fingers brush against a thick, heavy copper power cable hanging from an open rack junction box.

I grab the cable with both hands and slam the exposed brass terminal directly into the metal frame of the rack inches from Callum’s shoulder.

ARC!

A blinding flash of electrical current snaps through the air, accompanied by a deafening pop. The shock wave and sudden surge blow out the local circuit, sending a cascade of sparks down the entire rack line.

Callum recoils in shock, releasing his grip on my throat to protect his face.

I pull myself backward, coughing violently, gasping for air. I scramble up the concrete stairs leading toward the upper level of the lake house.

“Clara!” his voice echoes up the stairwell behind me, no longer sounding like a husband, but like a predator hunting prey in the dark. “There is nowhere to go! The entire property is locked down on automated security!”

I break through the heavy door at the top of the stairs and slam into the main living room.

The lake house is bathed in the pale, misty gray light of full dawn. Outside the floor-to-ceiling glass windows, Lake Geneva is flat as a mirror, wrapped in thick morning fog.

I run to the main control panel near the front entrance to disarm the electronic perimeter locks.

The screen is bright red.

SYSTEM LOCKDOWN INITIATED. BIOMETRIC OVERRIDE REQUIRED.

I hit the emergency release button. Nothing happens. Callum’s master override from the server room downstairs has locked every window, door, and reinforced glass shutter on the property.

Behind me, the basement door slams open.

Callum steps into the living room. He is covered in soot from the electrical arc, his clothes torn, holding a heavy glass decanter he picked up from the bar.

“You see?” he says, walking toward me with a slow, agonizing pace. “The house is built like a vault. My mother spent three million dollars making sure nobody could break in. But she also ensured nobody could get out.”

I step back until my spine touches the massive glass window overlooking the lake sixty feet below.

“Callum, listen to me,” I say, trying to buy time, my mind racing through every option. “The FBI knows I came here. Marcus knows.”

“Marcus doesn't know anything,” Callum sneers. “Marcus is currently trapped in a jurisdictional knife fight with the U.S. Attorney. By the time they clear a search warrant for this property, I’ll be on a private flight out of Milwaukee to a non-extradition country with a fresh passport.”

He raises the glass decanter.

“And you... will be a unfortunate casualty of your own financial desperation.”

I look behind me.

Through the thick glass window, sixty feet below, the freezing waters of Lake Geneva lap against the jagged concrete rocks of the shoreline.

I look back at Callum.

“You’re right,” I say quietly, a strange, absolute clarity settling over me. “I was just a shell company to you.”

“What?” Callum pauses, confused by the sudden change in my tone.

“You spent six years using me,” I say, pulling the heavy tactical flashlight out once more. “But you forgot one thing about financial auditing, Callum.”

“What’s that?” he asks, stepping closer.

“When you audit a system,” I say, slamming the solid steel head of the tactical flashlight with all my strength into the emergency stress-point of the double-paned reinforced glass window behind me, “you always test the breaking point.”

CRACK.

The stress-point shatters.

A spiderweb of fractured glass instantly spreads across the massive ten-foot panel. Before Callum can react, I turn around and kick the center of the fractured pane with both feet.

The entire wall of glass bursts outward into ten thousand glittering shards.

A wall of freezing morning air roars into the room, sweeping away the soot and tension in a single violent gust.