London is terrorized by a vicious sex killer known as The Necktie Murderer. Following the brutal slaying of his ex-wife, down-on-his-luck Richard Blaney is suspected by the police of being the killer. He goes on the run, determined to prove his innocence.

Director: Alfred Hitchcock

Writers: Arthur La Bern, Anthony Shaffer

Cast: Jon Finch, Barry Foster, Barbara Leigh-Hunt, Anna Massey, Alec McCowen, Vivien Merchant, Billie Whitelaw, Clive Swift, Bernard Cribbins