Falsely accused by the corrupt Governor Elden of Charleston of fencing stolen pirate booty, young Davey Crandall and friend Tom Botts buy passage on the ship of local buccaneer Bloodthirsty Ben. They avoid being killed by faking a case of the pox, which causes the panicked captain and crew to desert the ship. The two find themselves alone, and when a lucky cannon shot hits a mast on a British ship, they find themselves mistaken for pirates. They sail to Tortuga, where they recruit such notorious corsairs as Henry Morgan, Captain Kidd, Anne Bonney, and Blackbeard to lay siege to Chaleston and expose the villain Elden.

A bump on the head sends Hank Martin, 1905 auto mechanic, to Arthurian England, 528 A.D., where he is befriended by Sir Sagramore le Desirous and gains power by judicious use of technology. He and Alisande, the King's niece, fall in love at first sight, which draws unwelcome attention from her fiancée Sir Lancelot; but worse trouble befalls when Hank meddles in the kingdom's politics.

The Four Men of the title are British WWI veterans who decide to work secretly against enemies of the country. They aren't above a bit of murder or sabotage to serve their ends, but they consider themselves to be true patriots.

In occupied France during the Franco-Prussian War, a young French laundress shares a coach ride with several of her condescending social superiors. But when a Prussian officer holds the coach over, social standings are leveled and integrity and spirit are put to the test.

Four sisters in New Zealand fall for soldiers en route to the Pacific theater in WWII.

Merle Kramer works as a stenographer for a psychiatrist. She is casually dating Karl Benson, a private eye and former cop. Merle mentions in passing that one of her boss's patients is an author with recurring dreams of murdering his wife, and she includes the fact that the wife owns valuable jewels. When the wife is found murdered in a manner identical to that of her husband's dream, the husband is naturally the prime suspect. But as the investigation of the police and insurance investigator Joe Cooper proceeds, it turns out that several people in the case, including Merle, are not what they seem.

A police detective baits killer gamblers with a mob witness (Patricia Medina) in the Everglades.

Set in the eighteenth century, Moonfleet is about John Mohune, a young orphan who is sent to the Dorset village of Moonfleet to stay with an old friend of his mother's, Jeremy Fox. Fox is a morally ambiguous character, an elegant gentleman involved with smugglers and pirates.

A smooth-talking French thief wangles his way into an important position as prefect of police.

Daredevil sailor Sinbad embarks on a voyage across the Seven Seas to find the lost riches of Alexander the Great. His first stop is the port of Basra, where his ship is seized and scheduled for auction. In his attempt to win it back, he befriends beautiful concubine Shireen. But when her master, the nefarious Emir, calls her back to duty, Sinbad must interrupt his adventure to save the "Jewel of Persia."

An unsuccessful sculptor saves a madman named "The Creeper" from drowning. Seeing an opportunity for revenge, he tricks the psycho into murdering his critics.

Michael Lanyard is suspected of stealing two fabulous diamonds from a vault in Scotland Yard, where they were being held for safekeeping, but the Yard can't prove he did it. Later, Lanyard is summoned by a member of the nobility to help the latter raise money to pay a blackmailer. Lanyard later finds evidence to reveal the diamonds as having been stolen by a famous stage star.

Germans kidnap an American major and try to convince him that World War II is over, so that they can get details about the Allied invasion of Europe out of him.

The wicked Alain plots an elaborate revenge against his younger brother Edmund, leading to a deadly confrontation in his dungeon deathtrap.