A wardrobe mistress at a Vienna theatre wins a competition, receiving as her prize a luxury tour round Italy. On the train she meets an impoverished young Italian who pretends to be a prince.

A Russian grand duchess, in order to avoid a marriage imposed on her by her family, pretends to have fallen in love with a movie actor and tells her relatives that she has married him. When they arrive, they are able to meet the grand duchess's supposed husband, as she has forced the actor to play the thankless role. But from the pretense and the often awkward incidents it causes, a lively and genuine affection develops between the two protagonists. And the grotesque episode ends with a real wedding.

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.