When Sam, Marion's sister, and a detective trace Marion's whereabouts to the motel, Norman is forced to try and cover up what happened to Marion.
Secretary Marion Crane ( Janet Leigh) steals $40,000 in cash and drives out of town towards her boyfriend Sam's ( John Gavin) house in Fairvale, California. Along the way, Marion stops at the Bates Motel and befriends the owner of the motel, Norman Bates ( Anthony Perkins). The two chat for a while before Marion excuses herself for the night. As Marion showers, a silhouetted figure sneaks in and stabs her to death, forcing Norman to clean up the scene. When Sam, Marion's sister, and a detective trace Marion's whereabouts to the motel, Norman is forced to try and cover up what happened to Marion.