Marion Crane is a real estate secretary, who has a boyfriend called Sam Loomis in California. The two want to get married, but the only thing keeping them wait is Sam’s debt. When Marion returns to her work, her boss’s client drops off $40,000 and instructs her to give it to her boss
When Marion leaves her workplace, she goes straight to her home, packs her bags and runs away with the money to meet her boyfriend. As she leaves the town, her boss spots her and she immediately gets nervous. Along the way, she is spotted by a police officer who instructs her to pull over. The police officer recognizes her nervous looks, but lets her go.
She stops somewhere to buy a new car and she continues on her journey, it gets dark and she must stop somewhere for the night. She goes to Bates Motel where she finds a son (Norman) who tells of how his mother is so protective. Later, she hears an argument between the son and her mother. She leaves to take a shower and while in the bathroom, a shadow of a woman comes in and stabs her while Norman watches through a hole