Raoul Leduc is a police inspector trailing a spy who plots to kidnap an important American atomic scientist. Joe Victor a gangster who is hired to carry out the abduction, balks when he learns what is at stake and helps Leduc out instead.

Agnes "Astra" Huston, a fortune teller at a run-down fair, is found strangled in her bedroom. As the police question five suspects, their interactions with her are shown in flashbacks from their point of view.

Eddie Darrow, seeking a mobster's widow in Macao, gets involved in a casino owner's affairs.

Steven Kenet, suffering from a recurring brain injury, appears to have strangled his wife. Having confessed, he's committed to an understaffed county asylum full of pathetic inmates. There, Dr. Ann Lorrison is initially skeptical about Kenet's story and reluctance to undergo treatment. But against her better judgement, she begins to doubt his guilt.

A newsman tracks down a phantom killer of murder-trial jurors.

Gentleman gangster Max and his partner, Riton, pull off their last, most successful heist and find themselves comfortable enough to retire in the style they enjoy. However, Max confides the details of the theft to his younger mistress, Josey -- who has secretly taken up with ambitious young rival gangster Angelo. Angelo then has Riton kidnapped and demands the stash of gold as ransom, which threatens Max's dreams of the perfect retirement.

A female blackmailer with a disfiguring facial scar meets a plastic surgeon who offers her the possibility of looking like a normal woman.

The French Revolution, 1794. The Marquis de Lafayette asks Charles D'Aubigny to infiltrate the Jacobin Party to overthrow Maximilian Robespierre, who, after gaining supreme power and establishing a reign of terror ruled by death, now intends to become the dictator of France.

A prison convict escapes through the Louisiana swamps.

Jewel thieves, murder, and a manhunt swirl around a sailor off a cargo ship in post-war London.

Communists blackmail a shipping executive into spying for them.

A savings-and-loan bank is robbed; later, a police wiretap identifies meek bank teller Leon Poole as the inside man. In capturing him, detective Sam Wagner accidentally kills Poole's young wife, and at his trial Poole swears vengeance against Wagner. Poole begins his plans to get revenge when he escapes his captors.