A fortune teller predicts that Dr. Přelouč will marry the third poor girl he meets. Míla, the daughter of factory owner Janota, likes the doctor and, with the help of his housekeeper Amálka, sneaks into his home disguised as a poor shoelace saleswoman. She first prepares for her role by exploring the outskirts, where she meets Vendelín Pleticha, who becomes her guide to the local pubs and her teacher of the vernacular. Dr. Přelouč is enthusiastic about the poor, uneducated girl and tries to teach her the basics of social behavior and standard language. All this until he discovers that Míla has deceived him and that Pleticha is not her father, as she had claimed...

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.

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.