AKirill Sergeyevich, a retired Army officer, becomes the new school Headmaster. Used to a strict and orderly routine, he at first finds the chaotic bustle of everyday school life hard... It is not easy to deal with both the children and the teachers, especially with the students' favorite Marina Maximovna who teaches Literature. Well then, wasn't Marina surprised to discover the "martinet" Nazarov to be a perceptive and tactful person and an experienced tutor.

A young boy grapples with first love and his ambitions as a drummer during an eventful summer holiday.

A teenage girl considered by everybody as "difficult" is sent to the village to live with her grandfather.

Four third-grader friends live in an old Leningrad house, study in the same class and try to understand their parents and teachers.

Tenth-graders from one of the city schools came for a two-week internship at a neighboring timber industry enterprise. At first the guys felt like tourists. But participation in forest planting under the leadership of forester Yuri, a true enthusiast of his work, awakened in them a feeling of love for their native nature.