It's director Oberholzer's sixtieth birthday. His wife and daughter Anna receive the guests who are invited to the feast, with a dish of pike as the main course. But suddenly, the celebration turns sour at the appearance of an unexpected guest - namely Oberholzer's brother Alois, the black sheep of the family, who disappeared years ago. As it turns out, Alois has since changed his name to "Obolski" and become ringmaster of a major circus. Him and his wife Iduna quickly threaten the morals and standards of the bourgeois party, and they proceed to turn the boring proceedings into a turbulent circus show. Fortunately, after much confusion, the story ends happily - altough the pike has burned black in the oven!

When the innkeeper Egli hears that his daughter has set off on a boat trip with the sailor Lukas, he sets off in pursuit. He confronts the two and offers them the chance to take over the "Ochsen" inn. However, given the constant friction at home, the young couple soon change their minds...