Eva Prchlíková

Irča Miňovská, the daughter of a car factory director, meets mechanic Lexa Hora by chance. They fall in love, but Irča's father does not want his daughter's unequal relationship and decides to send Irča to a boarding school so that she cannot see Lexa. Lexa leaves the plans for her new engine with her boyfriend Harry Peters at the factory, resigns, and leaves to forget about Irča. Director Miňovský would like to produce a new type of engine, but Lexa is nowhere to be found...

Sixth-year student Eva Martenová falls in love with the new young professor Jiří Hron. She cannot concentrate in his lessons, even though she is as well prepared as ever for teaching. On a school trip, Professor Bruncvíková tries to win Hron over, but the professor dances with Eva at a party. At school, Eva's thoughts are elsewhere again and she refuses to give Bruncvíková Hron's portrait. She goes to Hron's office crying and he tries to calm her down. His friendly gesture is seen by Professor Bernard, who had previously had reservations about Hron's modern teaching methods. He informs the principal that Hron was holding student Martenová in his arms. When Eva learns that Hron is facing disciplinary proceedings because of her, she attempts suicide. However, her friend Martina's brother, Dr. Pavel Haler, saves her. In the hospital, Eva is visited by a vindicated Hron and confesses his love for her.

Jindřich Tůma, a partner in the gas mask shop "Asana", has a very energetic wife who promotes a vegetarian diet. The real soul of the company is Ing. Ivan Kareš, who also leads civil defense exercises. On the street, during a practice air raid warning, he sternly reprimands a girl who did not go to shelter. It is Věrka, the Tůma's niece, who comes from the countryside to finish her studies in Prague. Věrka enters the seventh grade and soon shares the enthusiasm of her classmates for an unknown composer whose pseudonym is Michal Marhan. Ing. Kareš gives a lecture on civil defense in the seventh grade and so meets Věrka again. Kareš tries to convince the girls of the necessity of more concrete life ideals. At the premiere of Marhan's operetta "Píseň o štěstí" it turns out that Kareš is the composer. The girls give him a standing ovation. Ivan ignores Věrka, with whom he has recently had a falling out. The stubborn girl therefore leaves for home...

A graduate of the Faculty of Philosophy, Karel Stržický earns extra money in the summer as a day laborer for the landowner Drahan. Jarča, the Drahans' daughter, spends the holidays with her parents, and her father has a lot of worries about her. The unsuccessful student is failing her German. However, an easy solution is offered - Karel will prepare her for remedial work. The mischievous Jarča considers him an ordinary coachman, and so she initially turns her nose up at him. However, the cultured young man manages to win her trust and heart. This does not go down well with his rival in the fight for the girl's favor, and he immediately comes up with a nasty slander: Karel is supposedly a former convict! A rift is not long in coming...

A young man named Láďa Tůma, along with his inheritance from his wealthy uncle, also acquires his uncle's favorite butler, Vlastimil Chytráček, with whom he must sign a one-year employment contract. This is a condition for receiving the inheritance. Chytráček takes care of his new master as devotedly as he took care of his uncle. However, this brings many complications for the young man - both at work and in love...

On a park bench, one gossip tells another the story of a young man who has just passed by. His mother Helena was a beautiful and talented singing student years ago. She was platonically loved by her classmate Vilém, the son of a shoelace merchant. After the conservatory graduation party, Helena was seduced by the frivolous Martin. The next day, he left for Paris and did not report back. The girl was horrified to discover that she was pregnant. Therefore, she welcomed the saving offer of marriage from the faithful Vilém...

A morally questionable lord comes to the aid of a working class man who is to be executed for speaking out about thieving rich scoundrels sticking it to the poor.

Emanuel Pokorný, a bachelor, is to join a rural church school as a professor. Before leaving, however, he finds an infant abandoned in his room. Since he has no time to search for the child's parents, he secretly takes the child to the boarding house. And from that moment on, there is no end to his travails...