A party of explorers in the Amazon jungle are captured by a tribe of women, and learn that they are to be used as the tribe's "love slaves."

When his girlfriend falls for a rich entrepreneur, an aspiring singer plots with the man's girlfriend so that they can get back their respective partners.

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.

Carlo, a young doctor, occasionally meets Anna, the daughter of professor Valli. Carlo falls in love with Anna, who returns his feelings; but her father longs a brilliant marriage for her.

The wife of a mechanic and tester of Alfa Romeo cars becomes the lover of a pilot. The two decide to flee together in Argentina.