Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.

An Italian immigrant studying the law gets mixed up with crooks.

On her debut as an opera star, Marion Stuart is interrogated and possibly implicated in the death of a male acquaintance. Released, although thoroughly shaken-up, Marion attempts to perform but loses her voice onstage. Humiliated, but driven to sing, she travels to South America under the assumed name of Maria Delasano, and works in an opera company under the tutelage of Feodor Glinka, who wants her to shun men and save herself for her art. Mary resists the persistent attentions of wealthy young Phil Roberts, who follows the company in hopes of marrying her. ...

Theater manager James Guthrie's (Melvyn Douglas) career depends on famed soprano Elsa Terry (Grace Moore) singing in his Buenos Aires opera house, however, Elsa breaks the contract in favor of a more lucrative deal in Paris. Desperate, James begins showering her with flowers and candy in an attempt to woo her to the Argentinian opera house. When Elsa overhears James confess to his friend Pancho that he'd be willing to resort to kidnapping to get Elsa to Argentina, she mistakenly believes his motives to be solely romantic.

Two reporters pose as man and wife in order to get the goods on a munitions supplier and the rumours of war in Europe.

Gail Grant, the impetuous daughter of a Pittsburgh steel magnate, arrives at a hotel in Venice and demands the Imperial Suite; in London, George Banning-Green, a persistent admirer, believes that she has gone to Berlin. Searching for "imperial" furnishings, the hotel manager goes to the palace of Prince Dantarini, who is selling the contents of his villa as an aftermath of the war. Dantarini agrees to be her guide in Venice, and when he proposes in his garden, Gail accepts.