A young Viking prince strives to become a knight in King Arthur's Court and restore his exiled father to his rightful throne.

In London, a diplomat accidentally becomes involved in the death of a British agent who's after a spy ring that covets British military secrets.

Private eye Slim Callaghan is summoned to the country home of a Colonel Stenhurst, but the latter is murdered before he can talk to the detective. Was one of the Colonel's three daughters responsible?

After leaving the British Secret Service, David Somers finds work catalouging butterflies at the country house of Nicholas and Jess Fenton. After the murder of a local gamekeeper, suspicion falls on their niece, Sophie Malraux. Somers helps Sophie to escape arrest and they go on the run together.

Americans Jeff and Tommy, hunting in Scotland, stumble upon a village — Brigadoon. They soon learn that the town appears once every 100 years in order to preserve its peace and special beauty. The citizens go to bed at night and when they wake up, it's 100 years later. Tommy falls in love with a beautiful young woman, Fiona, and is torn between staying or going back to his hectic life in New York.

The story picks up at the point where "The Robe" ends, following the martyrdom of Diana and Marcellus. Christ's robe is conveyed to Peter for safe-keeping, but the emperor Caligula wants it back to benefit from its powers. Marcellus' former slave Demetrius seeks to prevent this, and catches the eye of Messalina, wife to Caligula's uncle Claudius. Messalina tempts Demetrius, he winds up fighting in the arena, and wavers in his faith.

Safe cracker, Colley Dawson, is recruited to steal a list of Nazi agents from a safe in a Nazi occupied chateau in Belgium.

When Professor Willingdon becomes wary of the nuclear weapons he is helping build, he steals a warhead and threatens to detonate it in London in seven days unless the government begins nuclear disarmament. As Willingdon goes into hiding, Detective Folland of Scotland Yard sets out to find him. Willingdon's daughter Ann also joins the cause, hoping she can talk sense into her father before he causes a catastrophe.

When his best friend is murdered inside a London dancehall, a cab driver and his girlfriend involve themselves in the investigation and discover a major criminal operation hiding behind the club's friendly facade.

When Watson reads from the newspaper there have been two similar murders near Whitechapel in a few days, Sherlock Holmes' sharp deductive is immediately stimulated to start its merciless method of elimination after observation of every apparently meaningless detail. He guesses right the victims must be street whores, and doesn't need long to work his way trough a pawn shop, an aristocratic family's stately home, a hospital and of course the potential suspects and (even unknowing) witnesses who are the cast of the gradually unraveled story of the murderer and his motive.

A gang of jewel thieves hides out in an abandoned London house after a robbery, unaware that a detective is among them in disguise.