John, a blacksmith and swordsmith, is tutored at Camelot. As a commoner, he can't hope to win the hand of Lady Linet, daughter of the Earl of Yeoniland, so he creates a secret alternate identity as the Black Knight. In this new role, he is now able to help King Arthur when Saracens and Cornish men—disguised as Vikings -- plot to take over the country.

When a landlady finds one of her tenants murdered, Inspector Hornleigh is sent to investigate. Inspector Hornleigh's assistant, Sergeant Bingham, soon finds an attaché case that had been stolen from the murdered man. When Hornleigh examines the case, inside it he finds a bag that was used to carry important government documents. The documents have been taken, and to make things even more confusing, a duplicate of the stolen bag soon turns up.

The Man from Nowhere is a beautifully told Victorian gothic thriller from acclaimed director James Hill. Young orphan Alice has been invited by her rich uncle to live in his country mansion but she soon finds herself persecuted by the apparent visitations of an unsettling stranger. Who is this man from nowhere and just why is he tying to scare her away?

A reporter who needs cash for his son's operation is paid by a smuggler to take a murder rap.

A British psychiatrist devises a devilish revenge plot against his wife's lover.

An apartment handyman is unusually attached to a pair of boilers he names "Mavis" and "Ethel."

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.

In the midst of Nazi air raids, a postman dies on the operating table at a rural hospital. But was the death accidental?