A Milk-Cannery baron, Jakub Simonides, is broken by the Canned Milk-Trust and, in his wanderings with a worker, Filip Kornet, he discovers he still owns a half-finished apartment-house. They rally the workers and complete the building for use as a collectivist dairy. The cooperative flourishes and after a chase/pursuit with the police, pratfalls, slapstick and various crashes, the workers buy out the Milk-Trust.
The film depicts the adventures of Kacenka (Zdena Kavková) and Vincek (Vlasta Burian), two innocent country bumpkins who live in a Czech small town, and the various jobs that Kacenka has once she moves to Prague, that beautiful capital city. Our heroine will have to bear difficult working conditions and to make things worse, she falls in love with a fake aristocrat. Fortunately her companion, Vincek who is also in Prague, has an unrequited love for her. Though he is the cause of many Kacenka's problems, Vincek finally will help and resolve her loves troubles. And of course there is a happy ending that brings the Czech couple together.