Psycho II: After twenty-two years of psychiatric care, Norman Bates attempts to return to a life of solitude, but the specters of his crimes - and his mother - continue to haunt him.

Psycho III: Norman Bates falls in love with a fallen nun who stays at the Bates Motel alongside a drifter and a curious reporter. Meanwhile, "Mother" is still watching.

Psycho IV: Norman Bates recalls his childhood with his abusive mother while fearing his unborn child will inherit his split personality disorder.