what is the movie psycho about

The movie "Psycho" (1960), directed by Alfred Hitchcock, is a psychological horror-thriller about Marion Crane, a secretary who steals $40,000 from her employer and flees, hoping to start a new life with her boyfriend. On the way, she stops at the isolated Bates Motel, run by the shy and socially awkward Norman Bates, who lives with his domineering mother. Marion's stay ends in tragedy when she is violently murdered in the motel’s shower by an unseen figure. This leads to an investigation by Marion’s sister, her boyfriend, and a private investigator, uncovering dark secrets about Norman Bates. The shocking twist reveals that Norman suffers from a severe split personality disorder, taking on the persona of his deceased mother to commit murders. The film explores themes of identity, madness, and the duality of human nature and is famous for its suspenseful narrative, iconic shower scene, and psychological depth. It is regarded as one of Hitchcock's masterpieces and a pioneering work in the horror genre.