Cambo, a banker, has been in trouble since a certain Parizot has tried to extort stocks from him. Following the advice of his friend Quincampoix, Cambo decides to trade places with Bardac, a painter, who happens to be his lookalike. Bardac slips into Cambo's shoes with delight although he does not really live up to his task. But Cambo, who manages to ruin Parizot, makes a 100% profit on the situation. There are of course some misunderstandings when one man is mistaken for the other, notably as concerns Lulu and Geneviève, respectively Bardac's and Cambo's sweethearts, but things finally return to their initial state.

Under two different names, a journalist writes for two newspapers with opposing political doctrines and finds himself forced to fight a duel with himself.

Two female police officers dismantle a network of drug traffickers.

Ronny is a young designer on her way to the capital of the Ruritanian Kingdom of Perusa with the costumes she has created for the operetta written by the Prince. On her journey, she meets the prince and is persuaded to take the place of the star who had just walked out. The prince falls for Ronny but how can he marry a commoner?

The famous singer Antonia left the stage to marry a country gentleman. She goes alone one day to Budapest to see again the operetta which revealed her and outlines a flirtation with an aviator engaged to her niece. The presence of mind of the latter pleasantly closes the adventure.

On the occasion of an auction organized for a charity party, a penniless man buys a kiss for a hundred thousand francs.

Käthe von Nagy plays Ronny, who designs the costumes for the upcoming premiere of an opera written by the young prince of Perusa (Willy Fritsch) and has to deliver them personally due to the urgency of the commission. Arriving there, the prince not only is charmed by the young lady (who wouldn't?), but also mistakenly believes her to be the famous singer who is to be the female lead in the opera. What Willy does not know yet is that the real singer has cancelled her appearance, and as the state ministers hope to distract him from politics with the performance of the opera, they indeed want Ronny to appear in the show….

Having fallen madly in love with the daughter of a prison guard, Guignolet climbs the wall to free her. He falls into this prison yard where he ends up being a prisoner in the heart of the delicious daughter of the guard.

An unemployed youth pretends to be the long lost son of an elderly industrialist but after helping the man with his business decides to confess his dishonesty and go away.

A hotel worker who is really an aristocrat falls for a lady customer but instead of getting married he prefers to stay at work and get what female company he can from the staff.

The son of a naval commander faces his first heartbreak when he falls for the young American woman who is destined to become his father's new wife.

A young doctor suffers from his young wife's excessive love for sports. From the first day of their marriage, he must fight against this passion that he manages to overcome thanks to a former mistress who arouses the young woman's jealousy.