George Merritt

Q Planes was released just before the outbreak of World War II. Major Hammond (Ralph Richardson) is assigned to investigate the inexplicable disappearance of secret prototype aircraft during their test flights. The movie is an unusual combination of spy thriller and romantic comedy.

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.