A crime writer believes that a man imprisoned for committing the notorious "Flower Shop Murder" is innocent of the crime. He believes he knows who the actual culprit is, and sets out to befriend the man and get enough evidence to prove that he is the real killer.

A mystery writer is intrigued by the tale of notorious criminal Dimitrios Makropolous, whose dead body was found washed up on the shore in Istanbul. He decides to follow the career of Dimitrios around Europe, in order to learn more about the man. Along the way he is joined by the mysterious Mr. Peters, who has his own motivation.

A bank clerk gets sent to prison after he robs his own bank. Live becomes even more difficult behind bars when he starts getting pressured to reveal where he hid the money.

Suzanne, a waitress, comes up with a sure-fire method for winning at the racetrack and, later, when she inherits a fortune from a customer of the restaurant, she use the same system for investing her money. Her stock broker tries to dissuade her, but she persists and her investments increases her wealth.

A gambler faces deportation when he gets mixed up with murder.

A low-born thief loves a Moroccan Princess. She must marry to escape death at the hands of her enemies. The groom is able to wed or cast away his bride simply by saying "I Marry You" or "I Divorce You" three times.

A newspaper reporter uncovers a killer when he makes contact with the names listed in a dead man's address book.

G-Man Bill Collins swings into action when a crooked sweepstakes racket begins insinuating itself upon the honest citizenry of the US. The crooks have flooded the market with counterfeit lottery tickets, reducing many an unwary speculator to poverty.