A fisherman once caught a talking golden fish. He gave him his freedom and was allowed to make a wish in return. He asked for a boat, but this was not enough for his wife, who demanded a house. Driven by his wife's greed, the fisherman demanded more and more until he had lost all the wealth he had gained.

It is the 65th birthday of Wilhelm Lehmann, foreman of a chemical company. All members of the large family are expected. Preparations are also being made in the company: Wilhelm is to be awarded the »Labor banner« and, as every year, the sons are responsible for the may bowl. But instead of family members, telegrams with rejections flutter into the house.

After their successful May party, now the Lehmann family want to throw a New Year's Eve part with punch. Wilhelm's sons Franz and Paul are brigade leaders at a chemical factory. One of their brigades consists largely of fanatics of high culture, while the other consists of sports fanatics. But the rival brigades must work together in order to throw a successful New Year's Eve party for the factory, since the occasion requires both elements: sports and culture.

This unusual day was preceded by little Maja's laziness. She didn't feel like doing any schoolwork. When she came to school the next day, the teacher didn't feel like teaching her. Everyone else she wants something from is not in the mood either. Maja begins to wonder whether this strange behavior could have something to do with her "listlessness" yesterday. And she comes to the conclusion that it is not right not to do your homework, as everyone has a duty to fulfill in their place.

Co-pilot Horst Schubert is a braggart and a true Don Juan. Thus, he tells young Ilse that he is in fact an "aircraft commander". This assertion brings about an embarrassing situation, for he suddenly meets her onboard his new work place, an IL-14 charter plane where Ilse acts as a stewardess. It gets worse, however: During a stop in Varna the police appear because Horst’s former lover Madelon has vanished. At home, meanwhile, his landlady has her hands full with her lodger’s current and former playmates. Ilse decides to put an end to this mixup and since the dull captain of the plane, Richard, makes no move to confront his co-pilot about his unstable private life, the smart stewardess appeals to the rest of the crew to help her teach Horst a few lessons in love.