The footsteps stopped halfway down the corridor. Jessica stood perfectly still in the center of the underground room, her eyes fixed on the shadowed hallway where the sound had come from. The hum of the emergency lights overhead filled the silence like a faint electrical whisper. Her phone vibrated in her hand. Micah. JESSICA DON'T MOVE She swallowed slowly. "That wasn't the plan," she whispered under her breath. The footsteps resumed. Slow. Careful. Whoever was coming down the corridor wasn't rushing. They were confident. Jessica glanced back at the black device sitting on the pedestal behind her. The key. It sat quietly in the dim light, its smooth surface reflecting the flicker of the overhead lamps. Her phone buzzed again. TAKE IT Jessica hesitated. "Are you

