When Hamburg ship's mate Klaus Brandt catches a thief one night at the port, his downfall is pre-ordained. For the thief turns out to be a young, attractive woman and the otherwise upright sailor allows her to slip away. Jenny is the star of a local dive bar, with a side-line in smuggling.

Republic of Venice, 1760. Pursued by a vengeful husband, the intrepid womanizer Casanova, who symbolizes the decline of the city and its fall into debauchery, manages to escape and, by a circuitous route, arrives in Saint Petersburg, where he will be involved in the many plots that threaten the throne of Czar Peter III…

Botto the Clown is in love with the much younger Blanche but she is in love with the handsome daredevil acrobate Andre.

Best friends David and Philip have to end their love affair with their mistress Aimée which they - not knowing of each other - share, because they are going to marry their sweethearts Gaby and Viola. Of course Aimée will not accept her defeat. She interferes the engagement of Gaby and David, which lead to some turbulence and change of horses before they all end up in their honeymoon.

Hotel tycoon Paulsen re-meets an old flame who mistakes him for a waiter. Paulsen's daughter Toni likes hotelier Reno and accepts to work for him as a waitress and chambermaid because she wants to be loved for herself, not her money.

Max Hansen and Willi Schur play two small-time criminals who steal dogs from their owners in the hope that they will get a reward. When the police catches them at their 'work', Hansen flees and gets into the apartment of Jenny Jugo, who takes a liking to the man and pretends that he's her boyfriend. Her landlady isn't amused, and so our heroine loses her rooms and moves in with Hansen. The two of them soon become lovebirds, of course. But when they later go to an entertainment park and Jugo takes part in a beauty contest, trouble arises...

When linguistics professor Henry Higgins boasts that he can pass off Cockney flower girl Eliza Doolittle as a princess with only six months' training, Colonel George Pickering takes him up on the bet. Eliza moves into Higgins's home and begins her rigorous training after the professor comes to a financial agreement with her dustman father, Alfred. But the plucky young woman is not the only one undergoing a transformation.

The formerly wealthy Baron Carl Erich von Wenden is desperate. His debts are out of control and he is forced to give up everything he owns. Since he doesn’t want to burden his daughter Rosy with all of this, he tells her he’ll take a pleasure trip with her … in truth, however, he has to work as an assistant waiter in the evenings, while Rosy stays in the hotel. He constantly fears his daughter will discover the truth; and this is a shame he cannot bear.