Ilona, the bored wife of an easily distracted professor, falls in love with his friend Tibor, a world-traveler and ladykiller. Although she pursues him, he declines to take advantage of the situation, because she's married to his best friend. Only after her husband shows an interest in a co-worker is it possible for a happy ending to take place for the two new couples.
Cheeky Jette is a typical Berlin girl. Together with her mother, she performs couplets in a Berlin suburb theatre every night. Then, a young Austrian baron, who is worshipping Jette, enables her to audition for Königstädtisches Theater. Although she at first fails with an aria from an opera, Jette wins over the hearts of the board members with her fresh style when she performs a cheeky couplet that was written by Barsch, the stage manager of the suburb theater.
Vienna in the beginning of the twentieth century. Cavalry Lieutenant Fritz Lobheimer is about to end his affair with Baroness Eggerdorff when he meets the young Christine, the daughter of an opera violinist. Baron Eggerdorff however soon hears of his past misfortune...
Friends Franz and Bela work in a deli belonging to Mr. Wallis. Franz is the manager and Bela a salesclerk. Both get to know the lovely Lilo. But while Bela is rebuffed, the charming womanizer Franz is more successful. After a boisterous celebration in the deli, Mr. Wallis tells Franz to get lost and hires Lilo as a new salesperson. Franz and Bela take a job at Mr. Markow's deli across the street and a serious competition begins between the two delis for survival.
The young Queen of Nlilrania and her consort, Prince Ferdinand, are deeply attached to each other, but a hectic youth in Vienna has left him with a flirtatious disposition. An old flame visits the palace, and the Queen apparently has justification for her jealousy. She orders her husband to remain in his apartments. He retaliates by returning the key of the door between their rooms. After a furious scene he departs for Vienna with the Countess. The Queen secretly follows with her aide-de-camp. in the train they encounter sonic officers, and the Queen not only dances, but at Vienna goes to the Arts Ball, where her husband awaits the Countess. Though masked, he recognizes her, and reconciliation ensues.