Professor Karas is widely known as enthusiastic propagator of the motto "Morality Above All Else". He guides his students as well as his own family to live a morally decent life. One day he has an unexpected visit. It's his illegitimate daughter Vera, who is proof of his thoughtless youth. Mr. Karas know that she can ruin his image, thus he decides to keep her a secret and asks her to leave. Instead of leaving she takes a position of a governess in his own family without letting him know. Mr. Karas realizes that he must reveal the truth sooner or later, but he doesn't have enough courage to do so. As he postpones it, he is more and more scared to come to his own home.

The owner of the ready-to-wear store, Mr. Richard Naceradec from Zizkov, is an enthusiastic fan of S.K. Slavia and despite his wife's opposition, he goes to football every Sunday. Tailor Emanuel Habásko lives alone with his adult son Eman. Widow Ouholicková chases Krejcí endlessly, but father Habásko bravely resists. Habásko do not recognize any other club except S.K. Viktoria. One day, Naceradec will face Eman at the match between Slavia and Viktoria.

Mimi lives with her parents and the maid Fanka in a villa near the forest. One day, a gamekeeper comes to court Mimi when her parents are away.

The Portorican prime minister asks British detective Sherlock Holmes to find a twin for King Fernando XXIII, a weak and frightened man who fears anarchists and does not want to show himself in public. Holmes finds in the Czech newspapers a photo of the perfect double, František Lelíček, a daring bon vivant drowned in debt, so when Holmes offers him money, Lelíček decides to travel to Portorico and play the role.

Anton Špelec (Vlasta Burin) is a producer of musical instruments by trade but a sharp-shooter at heart. He expects to be awarded a medal at a large parade in town where veteran sharp-shooters will be honored. When the town council is one medal short, Anton must wait another year for his prized possession. He drowns his disappointment in drink at the local pub and becomes so drunk that he insults the emperor who sentences him to jail. Instead of fulfilling the emperor’s orders himself, Anton sends his employee in his stead.

This light-hearted comedy operetta tells the story of a newly appointed high school professor who becomes an ideal target for pranks and jokes.

The determined Mrs. Barbora Čápová, the owner of a goose farm in Brousilov, is trying to get her daughter married. The advertisement receives a whole box of responses, so the caring mother has plenty to choose from. Pavel Stehlík appears to be the most suitable candidate, and since her daughter also likes him, a famous party is held. The newlywed is not proud of the fact that he is literally drowning in debt. Moreover, he gets along suspiciously well with his father-in-law, and the two have all sorts of falling out. After some time, they set off on a trip to Prague together. As if by chance, Mrs. Barbora is on the same trip that same day - and meets her husband at a variety show, where she went with an old acquaintance. She promises cruel revenge on the unfaithful man, but her plans are thwarted by a completely unexpected event...

Mrs. Piskořová, co-owner of a debt-ridden boarding house, forces her daughter Klára to marry a wealthy elderly architect, Kacík, who has recently separated from his wife. However, Klára is in love with the waiter Prokop, who she does not know is actually a mining engineer. No one suspects that Klára's land, considered worthless, contains a coal deposit...