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.
Timeworn Joe Collins and his fellow inmates live under the heavy thumb of the sadistic, power-tripping guard Captain Munsey. Only Collins' dreams of escape keep him going, but how can he possibly bust out of Munsey's chains?
Don Gallico is an inventor of stage magic effects who aspires to become a star in his own right. Just before his first performance his act is shut down by capricious manager Ross Ormond who wants Gallico's brilliant buzz saw effect for the act of The Great Rinaldi, an established star. With this defeat, and the humiliation of having already lost his wife Claire to Ormond, Gallico decides it is time to take matters into his own hands.
Scotty moves into Mrs. Engels' seaside mansion where three other college students are boarding. Mrs. Engels prefers to stay in her room in the attic, but her son Mason helps the students get settled. Soon one of the students is killed. The policemen on the case begin uncovering the Engels family secret as the remaining students become endangered
Two hoodlum brothers are brought into a hospital for gunshot wounds, and when one of them dies the other accuses their black doctor of murder.
Concentration camp survivor Victoria Kowelska finds herself involved in mystery, greed, and murder when she assumes the identity of a dead friend in order to gain passage to America.
In 19th century Paris, a maniac abducts young women and injects them with ape blood in an attempt to prove ape-human kinship but constantly meets failure as the abducted women die.
After aging criminal Roy Earle is released from prison he decides to pull one last heist before retiring — by robbing a resort hotel.
An artist suffering from mental problems from his experiences during the war goes to Acapulco on his honeymoon. Soon young women are turning up dead in the area, and the ex-GI comes to believe he might be responsible, as he has long stretches where he can't remember anything.
Frank Johnson, a sole witness to a gangland murder, goes into hiding and is trailed by Police Inspector Ferris, on the theory that Frank is trying to escape from possible retaliation. Frank's wife, Eleanor, suspects he is actually running away from their unsuccessful marriage. Aided by a newspaperman, Danny Leggett, Eleanor sets out to locate her husband. The killer is also looking for him, and keeps close tabs on Eleanor.
A guilt-ridden man blames himself for his wife's death and secretly pays an assassin to kill him. But then he finds out that his wife isn't dead at all. And now the assassin is on his trail, with no way to call off the hit.
Questioned as a murder suspect, solid (but drunk) citizen Al Willis attacks his police questioners, is beaten, and swears vengeance against them. Next night, Lieut. Parks is murdered; Willis is the only suspect in the eyes of tough Chief Conroy, who pursues him doggedly despite lack of evidence. The obsessed Conroy is dismissed from the force, but continues to harass Willis, who flees to a sleazy town on the Mexican border. Of course, Conroy follows. But which is crazy, Conroy or Willis?
A Brooklyn pier racketeer bullies boat-owners into paying protection money but two fed-up fishermen decide to eliminate the gangster themselves rather than complain to the police.
When heiress Jean Courtland attempts suicide, her fiancée Elliott Carson probes her relationship with John Triton. In flashback, we see how stage mentalist Triton starts having terrifying flashes of true precognition. Now years later, he desperately tries to prevent tragedies in the Courtland family.
A man is murdered, apparently by one of a group of soldiers just out of the army. But which one? And why?
Communists blackmail a shipping executive into spying for them.
A savings-and-loan bank is robbed; later, a police wiretap identifies 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.
After discovering the dead body of her teenage daughter's lover, a housewife takes desperate measures to protect her family from scandal.
A lovely dame with dangerous lies employs the services of a private detective, who is quickly caught up in the mystery and intrigue of a statuette known as the Maltese Falcon.
Based on the tale by Dale Jarvis, "Lady at Number 16" tells the story of two sailors in the 1800s that help a young lady back into her mansion. They return a few hours later to realize that their night was not all that it had seemed, and it may have had a more sinister twist than expected.