When night manager Sarah Chen enters an allegedly disused elevator at the historic Bellwood Hotel, she expects to find nothing but a safety violation. Instead, she is locked in an unimaginable space where reflections have their own brains and every heartbeat is echoed. As the temperature drops and odd messages arrive, Sarah realizes she is not alone in this metallic prison—and her companions may be more familiar than she understands. In this psychological thriller that combines reality and the supernatural, Sarah is forced to confront the question: which of your reflections is real?