Based on the book of Viktor Dragunsky "Deniskin's Stories". Once upon a time there lived in Moscow the 1950's an October school student Deniska Korablyov. Every day he was terribly busy with the most ordinary children's activities: he did not prepare lessons, quarreled and put up with classmates, helped around the house and dabbled. He also planned a real murder, crossed paths with the criminal Fantômas, exposed the adult liars and thieves, participated in the selfless rescue of man...

The events of the film take place in the first days of May 1966. Nikolai Kuznetsov, a distinguished veteran of the Great Patriotic War and former camp guard, accidentally meets one of his former prisoners. This encounter leads to new meetings—and new insights into the years that have passed...

The life of the boy Fedya changed dramatically after the arrival of the volost commissar in the village. Fedka knew how to read and write, so he was appointed clerk of the village committee of the poor. The whole village is happy about Soviet power. But the fists try to harm, not even stopping at killing. And when the commissioner dies from an enemy bullet, Fedka becomes a real fighter for a better future.

About the last days of the poet Maxim Bogdanovich's life (1891 — 1917).