His voice echoed through the concrete corridor, cutting through the hum of dying fluorescent lights. The rest of the team fanned out, clearing rooms, checking for stragglers. But Sam had stopped dead in front of a reinforced door, partially rusted open.

The glass was fogged, but a shape was visible. Small. Female. A nurse's cap still perched on her head, stark white against black curls. A pale pink dress, worn thin, frozen in time.