The great Dr. Pfeiffer plays the little Primaner Pfeiffer. As the successful playwright Dr. Hans Pfeiffer, he is planning a play about school. In order to gather material, he takes the place of his brother, who is a primary school pupil. The seasoned doctor finds pleasure in the craziest of pranks, while his brother tries to fill the role of theater man in the big city. And then love intervenes for both of them.
The young, attractive Inge Wagner becomes acquainted with Herbert Koch during the Berlin Olympics, his flight officer insignia having first caught her eye. Sparks fly immediately between the two and they soon decide to marry. But Herbert is called off on a secret mission in Spain.
The two happy fitters Eddy and Tommy are doing overtime to ensure the great travel-exhibition of the department store they work in is ready for display. Outside, they see a poor newspaper seller, who looks longingly at the beautiful things in the display window. So they simply decide to smuggle the unfortunate inside and compete to win her favor by giving her gifts from the shelves of the department store. In their frenzy of happiness, they don’t notice that the girl is taking the fun little game for the truth. When she realizes that she has to give back the alleged gifts, she runs away.
