Ying Jia (Liu Qing), a girl who drifted to Beijing, dreams of becoming a star and looks for acting opportunities by running around the crew in this city. She hadn't received any plays for half a month. After receiving a notice of audition from a certain crew, she drove with the deputy director to the art consultant in the suburbs for an audition. After the audition, just as they were about to go back, the car broke down unexpectedly. In desperation, Ying Jia could only stay overnight in the suburbs. In the middle of the night, Ying Jia, who was awakened by a nightmare, found that one of her fingers had been chopped off in her sleep. And this was just the beginning. She failed to escape and was imprisoned in this gloomy and terrifying room again. She accidentally discovered the secret door leading to the secret room. In this secret room, there is a female corpse that looks very similar to Ying Jia. Ying Jia understands that behind this carefully designed lie, only death is waiting for her, and she can only survive by saving herself. A thrilling escape from the secret room begins...