Martin Plechatý and Petr Nový roam occupied Prague with their trams. Times are hard and sometimes survival is not easy - especially when, in an attempt to help a threatened (and charming) neighbor, you get involved with an SS man, hit him on the head and kill him. At least that's how the two friends explained the situation to each other when their opponent collapsed to the ground. What to do with the body now? An endless anabasis begins, in which even a baby stroller comes into play...

Antique dealer Kohout is not a bad person. However, he has an ideal: to be the unlimited master at home. Therefore, he does not see his wife's wishes, nor the fact that his daughter Helena has found a groom, that his other daughter has fallen in love, and that his son is a passionate swimmer. He would like to run their lives according to his old-fashioned ideas. However, Zdenka's suitor, engineer Bečvář, uses a trap to gain Kohout's favor. The antique dealer even offers him Zdenka's hand in marriage. In addition, Kohout's brother, a forester, enters the story, who comes to Prague for a visit. By coincidence, the two brothers switch roles and the family considers their father a dear uncle...