A London curator loses the Mona Lisa to a collector, who discovers it's a fake.

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.

Millionaire Sam Winston is an unhappy man. His wife Constance lives a gay life, devoting all her time to parties; his daughter Gloria is in one scandal after another, changing husbands as often as her moods, and son Jerry spends his time getting drunk and chasing women. Sam hires gangster Johnny April to bump him off but Johnny, liking the old man, defers the killing and sets about making the family appreciate Sam.

When the bride's mother is supposedly swindled out of her money by a spurned suitor, the groom's father orchestrates a scheme of his own to set things right. He is aided by a cabaret singer, while placating a jealous wife.

Ship engineer Jim Taggert is rescued from a torpedoed tramp steamer by Joe Morgan, an American gangster that found New York too hot for him, and has become a fisherman operating from an out-of-the-way island off of the coast of South America. Morgan makes his headquarters at the Halfway House run by the parents of Maria Styx as a bar and dance resort catering to the planters and traders of the island. Taggert finds himself practically a prisoner along with a group of American girls acting as entertainers at the resort. Taggert shadows Morgan in his activities in a remote cove and finds that Morgan is supplying German U-boat commanders with torpedoes, but does not know that Morgan has rigged the torpedoes with clock devices that explode when at sea and sinks the U-boats.

An American gets caught up in wartime action in Turkey.

Marianne Jannetier, a well-to-do Parisian, engaged to Andre Benoit, a high-ranking government official, flees the city when the goose-stepping Nazi storm-troopers arrive. When her mother dies on the road to Bordeaux as a result of Nazi bombing, she returns to Paris and joins the underground movement. Nicholas Jordan, an American member of the RAF, stranded in Paris after the evacuation is also working with the Paris underground. Marianne kills her former fiancée, a pro-Nazi informant, for the traitorous state papers he is carrying, and she and Jordan try to flee over a French seaport...

A best-selling author of women's issues and a medical academic find it is to their mutual advantage to falsely claim that they are married.

A radio salesman gets knocked out by a golf ball and dreams he's in the desert where he sells radios to sheiks.

Lucky is tricked into missing his own wedding again and has to make $25,000 so her father allows him to marry Margaret. He and business partner Pop go to New York where they run into dancing instructor Penny. She and Lucky form a successful dance partnership, but romance is blighted by his old attachment to Margaret and hers for Ricky Romero.

An American woman visits a small South American town where she quickly falls for a charming lieutenant.

Society girl becomes a social secretary when her father dies penniless. From a story by Charles Brackett.