A psychological thriller about a little girl, Sheila, who, after seeing her father kill her mother's lover, is psychologically traumatized. She escapes with her mother to an isolated house and she represses the memory. But after missing her father, she steals her mother's cell phone to call him. However, after the first night of moving in, a horribly disfigured monster finds refuge in their backyard shed. Innocent and child-like, he discovers a tape player and obsesses over the beautiful music it plays. After discovering the monster, Sheila begins to emulate her father and his violent tendencies, terrorizing the monster in the shed.