Bolshevik Foma Korshunov returns to his village. Soon his son, seven-year old Mishka gets a new nickname - "little communist". When bandits come to the village Mishka, knowing that the reds are close, saddles his horse and hurry to warn them about the danger.

Twelve-year-old Pavlukha lives on a fishing farm with his mother. His father left his family long ago, in which, apart from Paulukha, he has two other children. To help his mother somehow, the boy goes to town to earn money...

In 1919, on the tow boat Komsomol went to beat the whites. During the Second World War, during the heroic battle on the Volga on this boat were transporting wounded soldiers and children

A friendship made at the international pioneer camp in Artek is sealed by the gift of a live bear cub... Educators feared that the film might inspire young viewers to unscripted acts, but even the children didn't take this much-imagined story seriously...