At first there was only silence.

Doran’s senses returned in slow increments — sound before sight, pain before memory. She lay half-buried beneath fractured concrete and glass, her right arm pinned, the metallic taste of blood sharp in her mouth. The world above her hummed faintly — the sound of cooling circuits and distant generators struggling to restart.

When she finally forced her eyes open, the first thing she saw was the red emergency light flickering across the ruined floor of her ...