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

Having met on a train, a smooth-talking psychotic socialite shares his theory on how two complete strangers can get away with murder to an amateur tennis player — a theory he plans to test out.

A wheelchair-bound photographer spies on his neighbors from his apartment window and becomes convinced one of them has committed murder.

Two young men attempt to prove they committed the perfect murder by hosting a dinner party for the family of a classmate they just strangled to death.