In the first days of the Second World War, a young woman with three children is evacuated from the front-line zone to the Urals. After some time, she receives a funeral for her husband. But she has her little sons with her. The eldest son Kolya becomes a reliable assistant to his mother.

Kolya
Vera - Kolya's Mom
Filippovna
Antonina Ivanovna - teacher
Postwoman
Aleksandr Nikolayev - Kolya's Dad
Gorokhov
Vasiliy
Gera
Rita
Oleg