A dashing but mysterious man saves a gambler from suicide, crashes the posh party of a prominent industrialist, falls in love with his daughter, and finds himself in a web of intrigue revolving around her blackmailing fiance and a gang of counterfeiters.

On the coast of Yugoslavia lives fisherman Ivo Kralj, his wife Marie, son Vuk, and Ivo's mother in one happy home. Marie, who loves her husband and always looks forward to his return from sea, attracts Nikola, with whom Ivo, out of jealousy, has a scuffle at a dance. After the outbreak of World War I Ivo is mobilized. He ends up in a P.O.W. camp where he is subjected to hard labour. His family then receives news of his death. The years pass and the lonely widow Marie is occasionally visited by her friend Nikola. Ivo's mother would like her to remarry. Soon after the wedding Marie becomes pregnant. Ivo, who has been thought dead, succeeds in escaping the P.O.W. camp where he has spent several years. Upon his arrival home he finds his name on a memorial erected to the victims of the war...

Wealthy and ill Petr Kornel (Karel Hasler) is not pleased with the carousing lifestyle of his nephew. He stops supporting him financially and demands that he change his name. Out of gratitude Kornel bequeaths a substantial sum of money to his nurse Alice (Adina Mandlová) with the condition that she marries. Petr Suk (Hugo Haas), as the nephew is now named, visits the doctor. In the waiting room his X-ray is mistakenly switched with one of another patient's. On the basis of this he presently learns that he is seriously ill and has only one day of life left to him.

Curious citizens await the arrival of an important guest, the son of poacher, who became famous abroad. Begins celebration in his honor, but nobody knows that instead of the hero arrived cursory prisoner number 1313. He quickly understand how things are and decides to take the opportunity and very quickly gets into a new role.

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 owner of the ready-to-wear store, Mr. Richard Naceradec from Zizkov, is an enthusiastic fan of S.K. Slavia and despite his wife's opposition, he goes to football every Sunday. Tailor Emanuel Habásko lives alone with his adult son Eman. Widow Ouholicková chases Krejcí endlessly, but father Habásko bravely resists. Habásko do not recognize any other club except S.K. Viktoria. One day, Naceradec will face Eman at the match between Slavia and Viktoria.