At Heathrow Airport, a man is razored to death in a toilet cubicle. A young woman, Peggy Foster, is concerned about the disappearance of Michael, her photographer boyfriend, who has been in Vietnam for months. In order to pay the rent, she reluctantly sub-lets her garret flat to a man called John Kirk Lawford. The new tenant wears sunglasses indoors and acts suspiciously. Peggy is lured to an abandoned airfield by a call from Michael but is shot at by a sniper. Back at her apartment block she is shocked to find that a man has apparently committed suicide by jumping from her balcony. While the police question Peggy, a stranger turns up and announces himself as John Kirk Lawford! Shirley, secretary to Peggy's lascivious publisher, is killed by a black-gloved intruder and the mystery deepens...
as Peggy Foster
as John Kirk Lawford
as Jackie Polianski
as Ronald James
as Mr. Lewis
as John Kirk Lawford
as Anthony
as Inspector Walton
as Inspector Redford
as Anthony's wife
as Shirley
as Man at Subway Station (uncredited)
as Waiter (uncredited)
as Office worker (uncredited)
