A social comedy about a wealthy man in his prime, for whom marital infidelity is just a pleasant and regular sport. A young flower shop owner, to whom her husband seems to be generally ordinary and overworked, nevertheless manages to resist the advances of an experienced seducer.

Baron Dolanský is deeply interested in eugenics, he knows what happens when the same plants are crossed over and over again, and he rightly concludes that it will be no different with people. He is a widower and has no descendants, so his nephew Max must provide the future heir to the coat of arms. Fear of possible degeneration compels the Baron to provide the family with new blood. On the other hand, it must not be just anyone - he must at least have certain means. The most serious candidate is the poor but beautiful Madla Lísková, but she should receive preliminary training. The nobleman demands that she stay at his castle for a year. The girl's mother readily agrees, after all, her daughter has a secure future ahead of her. How will the efforts of the Czech Pygmalion turn out?

Associate Professor Jakub Johanek was looking forward to his uncle's inheritance and celebrated it with his friends in advance, not knowing what treasures he could actually expect. He had a few too many drinks and woke up the next day with a perfect window. He is tormented by a hangover, and on top of that, the housekeeper comes in with a statement that he robbed her daughter of her wedding ring yesterday - so the associate professor is in for a quick wedding. Although Jakub has been eyeing the girl for a long time, he now has completely different concerns. He has been approached by a certain loafer who claims to have seen Johanek set fire to a stack of wood at night with his own eyes. If he doesn't get a hefty ransom, he will go and report him...

Even though the heroine works as a seamstress, she would like to become a designer. And she really has the talent, even a businessman from Paris shows interest in her. But many things turn out to be different than they seem at first. This applies to people and love.

Antique dealer Samek lives a bachelor life. He financially helps his housekeeper raise her daughter Mána, who is learning to be a hairdresser in the countryside. On the recommendation of matchmaker Mudra, Samek decides to get married. Mána returns to Prague and Samek, who has not seen her for a long time, is enchanted by her charm. Mána has the opportunity to get a nice job, but she lacks knowledge of German. Samek offers to teach her while they go for walks together. During a German conversation on Petřín Hill, Mána catches the eye of electrician Vašek, who falls in love with her. He thinks that Mána does not know Czech, so he buys a German textbook so that he can speak to her. Soon the opportunity arises and the two young people confess their love. Samek is about to propose marriage to Mána. But Mána prevents him. She confides in him about her love and asks him to give Vašek a job...

The main character is a newly appointed associate professor MUDr. Jakub Johánek, a psychiatrist and timid teetotaler, who decides to celebrate his appointment with friends in a nightclub. The celebration, which lasts until late and the amount of alcohol consumed causes the hero to temporarily lose his memory, and in the morning, the old bachelor Johánek is not surprised. He had been eyeing the charming neighbor, poor Kateřina, for a long time, but his innate shyness did not allow him to do more. And now, as soon as his brain has recovered from the attack of an unprecedented amount of alcohol, his neighbor's enterprising roommate informs him that he had disgraced Kateřina while drunk, in order to help his friend, who also loves the nice and well-off doctor, in a somewhat peculiar way.

A rich bachelor, Pavel Haken, tries - with the help of his faithful servant - to escape the courtship of marriageable young ladies. They meet at a ladies' social club. In the cafeteria there, he is helped by the talkative Andula, the daughter of a poor taxi driver. Haken longs for peace and has a secluded weekend villa built for him. The brief silence that followed his mother's departure is interrupted by the inhabitants of a tent camp. The girls from the club have taken advantage of Mrs. Haken's offer and camped on their property, and Andula helps out in the camp kitchen...