The heart of the agave.

I opened my eyes and typed the word into the override prompt.

_El Corazon._

The red lights stopped flashing.

The screen went completely white.

A single chime echoed through the small chamber.

The percentage jumped back to fifty-five.

Fifty-eight.

Sixty.

“It’s working,” Ana whispered.

The transfer was rising again.

But the sound of the metal handle outside the iron door began to rattle.

They had bypassed the first lock.

The heavy iron door groaned as pressure was applied from the other side.

“Alana,” the voice from the tunnel called out, muffled through the thick metal.

“It’s not over.”

I didn’t look back.

I kept my eyes on the progress bar.

Seventy percent.

The door rattled violently.

A heavy thud echoed through the stone room as they threw their weight against it.

Eighty percent.

The iron hinges began to strain, flakes of rust falling to the damp floor.

Ninety percent.

The phone in my hand lit up with one final message from the unknown number.

“Look at the screen.”

I looked up at the central monitor.