A young Scotland Yard police academy recruit tries to break up a gang of thieves.

Czechoslovakia, March 1939, on the eve of World War II. As the German invaders occupy Prague, inventor Axel Bomasch manages to flee and reach England; but those who need to put his knowledge at the service of the Nazi war machine, in order to carry out their evil plans of destruction, will stop at nothing to capture him.

Near a small English village, a scientific team is conducting experiments with magnetic fields, the results of which may have military applications but the intensification of which seem to be connected to UFO reports, a series of murders, an enormous insect egg, and a strange visitor with exceptional scientific knowledge.

During a holiday by the British seaside, Hornleigh and Bingham grow bored and turn their hand to investigating a local crime.

An American loses all his money and finds himself stranded in England. He finds hope when he meets a female smuggler who has brought jewels into the country inside a teddy bear, but unfortunately, things quickly get out of hand.

Alan Burmister leaves Devon on a secret gun-running expedition immediately after his engagement to Mary Perrin is announced; he returns at Christmas to find himself accused of the murder of Ivor Connel, a moneylender. Mary's father had always hoped that his daughter would marry John Worrall, a rising barrister. Worrall is briefed for the defence, but when he loses the case and Alan is condemned to penal servitude for life, no one but the judge realises that he has not made use of the best piece of defence evidence...

During a charity football match between Arsenal and touring amateur side Trojans, the Trojan's new star player collapses and dies. Inspector Slade of Scotland Yard is called in and declares it was murder. It takes all his ingenuity and another death before the motive is discovered and the killer revealed.

Visitors to the George hotel in Crewsworth are haunted by a ghost.

An elderly lady manages to sneak some pills away from her nurse and dies of an overdose. The nurse is tried for murder and acquitted. Some time later the nurse, under a new name and identity, cares for a patient who also dies of an overdose. When her real identity comes out, suspicions arise.

High drama, set in the English moorland of the 1600s. John Ridd wants revenge on the criminal Doone family, but falls in love with the daughter of the family, Lorna.