When an eccentric practical joker dies, he divides his fortune among four heirs. But before they can collect the cash they must each do something which goes completely against their nature.
A post-war housing crisis leaves a shy woman to share a house with two couples. Comic situations arise as the new roomer becomes infatuated with one of the husbands.
Lovestruck conservatory student Ariane pretends to be just as much a cosmopolitan lover as the worldly mature Frank Flannagan hoping that l’amour will take hold.
Hollywood producer Alexander Meyerheimer has hired drunken writer Richard Benson to write his latest movie. Benson has been holed up in a Paris apartment supposedly working on the script for months, but instead has spent the time living it up. Benson now has just two days to the deadline and thus hires a temporary secretary, Gabrielle Simpson, to help him complete it in time.
After Regina Lampert falls for the dashing Peter Joshua on a skiing holiday in the French Alps, she discovers upon her return to Paris that her husband has been murdered. Soon, she and Peter are giving chase to three of her late husband's World War II cronies, Tex, Scobie and Gideon, who are after a quarter of a million dollars the quartet stole while behind enemy lines. But why does Peter keep changing his name?
Overwhelmed by her suffocating schedule, touring European princess Ann takes off for a night while in Rome. When a sedative she took from her doctor kicks in, however, she falls asleep on a park bench and is found by an American reporter, Joe Bradley, who takes her back to his apartment for safety. At work the next morning, Joe finds out Ann's regal identity and bets his editor he can get exclusive interview with her, but romance soon gets in the way.
Caroline DuLac, a baroness and concert pianist, steals three jewel-encrusted Faberge eggs from a San Francisco museum. The eggs were demanded as ransom for her kidnapped fiancé. She boards a plane for the Latin American city of Ladera, as per instructions, and is met by Mike Chambers. Caroline first believes that Mike is one of the kidnappers, until a mysterious man in a trench-coat tries to kill her, and Mike comes to the rescue. They are then both captured by a band of Mexican bandits, who also may or may not be part of the scheme.
When a measles epidemic forces the temporary closing of a child care center, the son of a film star and her estranged husband, a concert pianist, is mistakenly delivered to a touring musician.