A retired San Francisco detective suffering from acrophobia investigates the strange activities of an old friend's wife, all the while becoming dangerously obsessed with her.

Advertising man Roger Thornhill is mistaken for a spy, triggering a deadly cross-country chase.

When larcenous real estate clerk Marion Crane goes on the lam with a wad of cash and hopes of starting a new life, she ends up at the notorious Bates Motel, where manager Norman Bates cares for his housebound mother.