After a series of scientific experiments directed towards freeing the inner man and controlling human personalities, the kindly, generous Dr Henry Jekyll succeeds in freeing his own alter ego, Edward Hyde, a sadistic, evil creature whose pleasure is murder.

When an attractive young girl is murdered, suspicion falls on several members of the local tennis club. It falls to Police Inspector Halloran to sort out all the red herrings, and finally after a confrontation at the top of the local church spire, arrest the culprit. Another fascinating look at what life was like in Britain during the 50's.

On receiving an inheritance from her grandfather, Canadian Jeannie MacLean decides to visit the family's Scottish roots. On the plane she meets businessman Stanley Smith, and romance blossoms in Edinburgh. The complications begin when Stanley breaks a date with Jeannie to woo voluptuous redhead Helene, and Jeannie is flattered by the attentions of the impoverished Lord McNairn; he's heard about her good fortune, and gallantly offers to show her the city.

Putting on a pantomime, the kids find they must share the Church hall with a rock group. They decide to present a rock panto.

A psychiatric doctor driven to insanity by nightmare visions of Zé do Caixão trying to steal his wife is helped by colleagues who enlist creator José Mojica Marins to convince the patient that he does not exist.

A physicist finds himself drawn into an investigation to track down a spy at his research station.

Newspaper reporters compete with London police to solve a murder.

Account of how Anglo-American police co-operation succeeds in tracking down forgers of $100 bills.