Landlord Orlický has had three failed marriages. This experience has made him a sworn enemy of all women. Only old bachelors can work on his estate, and he forces his nephew and universal heir, Ríša, to the same fate. One day, however, the uncle discovers that Ríša is secretly seeing a girl, becomes angry, and decides to remove him from his will. He has a more suitable heir in reserve: the cabaret dancer and singer Ada Bártů, a descendant of his sister, who once married against her parents' will. She has not had any contact with her relatives for years, so the old man has no idea that Ada's supposed nephew is actually his energetic and enterprising niece...

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...

The wealthy factory owner Osten has achieved his position thanks to his energy and diligence. However, he has one weakness - he cannot admit that he too must grow old one day. What scares him most is the thought of becoming a grandfather. To prevent this, he is willing to become a rival in love with his own son. One day, Jiří has ​​had enough of his father's actions and decides to leave his house and his comfortable life. He even changes his name and starts working in a competing factory as an ordinary worker to prove to his father that he too is capable of working his way up from scratch. That is when Jiří meets the energetic seamstress Tonička, who is studying in the evenings to become an office worker. The young people are happy together, but the factory owner Osten comes between them. He offers Tonička a position as a secretary and is ready to win her over...

The owner of a fashion factory, Rafael Klučina, is desperately looking for an imaginative advertising campaign that would attract the public and raise the profile of his business. However, the head of his advertising department, Filip Muška, seems unable to come up with one. In the end, they are helped by the model Boženka Smolíková and her talent for perfect disguises and masks. The unusual advertising campaign involves Boženka traveling around the country for fourteen days in model clothes, and whoever recognizes her will win a prize of fifty thousand crowns...

Eighteen-year-old factory worker's daughter Věra Janáková is head over heels in love with the famous pilot Jiří Málek. She only knows him from a photograph, but that's enough for her to run away from the boarding house and set out to find him. There, she discovers that the old Málek family are expecting the arrival of a girl from the orphanage, from whom they intend to raise Jiří's future wife. Enterprising Věra doesn't hesitate and quickly disguises herself as a thirteen-year-old frog...

Teacher František Kmoch is suspended because he plays at dances or composes at night. He forms a band in Kolín and his supporter Baron Hrubý helps him perform in public. His music is popular not only at home but also around the world...

The orphan Eliška Irovská, nicknamed Líza, arrives in her native village of Ptačice. As an orphan she is housed in the local poorhouse and has to go out begging. Her guardian Petr Tumlíř, however, sees that she is competent enough to go to school.