Lin Xiaonan becomes trapped in a mysterious room by a madman. As she attempts to escape, she uncovers the truth about her sister Xiaowen's death. Through a soul exchange, she experiences Xiaowen's life, realizing that everyone around her harbors deadly intentions. The two sisters embark on a perilous journey to escape the confines of the room.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.