After a car accident, a shy young man is left debilitated and to recover in St Richards Hospital, in Chester, England. There, he meets a kind female doctor who is assigned to take care of him. The two of them become very close and share some of their darkest fears and secrets. Everything seems to be going fine until a horrific chain of events leads them to believe a murderer roams the hallways of the hospital. Not knowing whom to trust, everyone is a potential suspect.