Henry Kendall

1933. When a photograph is taken at the scene of a murder, the camera is tossed out of a castle window to destroy the evidence and lands in the back of a passing car belonging to chemist John Gray who becomes an amateur sleuth after developing the film, and goes in search of the woman captured by the photograph.

An unexpected inheritance for a struggling London couple buys a new lifestyle and passage aboard a Far East cruise that unravels their relationship.

The residents and guests of an English country house are terrorized by a blackmailer and hooded figure who starts picking them off, one by one.

A charming secretary stands between a bored millionaire and his bet that he can support himself working for a year without touching his inheritance.