The Mráz family is preparing for holidays. Parents are traveling to the spa and little Petr is going to the country to his grandparents. In addition, to the chaotic preparations, mother's friend is bringing a dog Blek. She wants Petr to look after it. Grandfather welcomes Petr and the dog with pleasure because he needs the ally against strict grandmother. Grandfather is not very skillful and thus grandmother often experiences troubles with his ideas.

The ten-year-old orphan Borisek is fathered by the entire military unit. The boy serves there with determination as a medic. When he and the soldiers reach Bohemia, he meets the mother of the soldier he saw die, but for a long time he does not find the courage to tell her the cruel truth...

The 11-year old Jakub is living in a children's home, when he is picked up by his father. The father has been "away" for four years, the boys mother doesn't want the child. Jakub gradually finds out, that his father is hiding a secret from him. But they gradually manage to build a warm relationship and a promising new life in the city.

Three short stories ("Zelenáči 1945", "Silvestr 1948" and "Zimní vítr 1951") about members of the SNB units guarding the Šumava border in the post-war years. Ivo Toman had artistic supervision over the debutants. The theme of the third short story was made in 1959 for the film "Entry Forbidden" by František Vláčil, who was also starting at the time.

A bitterly funny look at the beginning of a young teacher's career, based on Halina Pawlowska's first screenplay, which she wrote while still a student.