Andreas works as an assistant in his father’s small-town bakery. However, he actually has other plans: As a passionate trumpeter, he wants to study music in Berlin. His father is less than thrilled and wants his son to take over the bakery. Therefore, Andreas decides to try his luck in Berlin and starts working in a wholesale bakery together with his friend Paul. Incidentally, the in-house band is looking for a trumpeter.
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.