Fifteen year old gifted teenager Ruslan Chutko longs to do good and help the police to identify offenses under the pseudonym Plumbum. Plumbum decides in a single provincial town to eradicate the evil. However, in his interest of being a fighter against evil he goes far beyond what is permitted in a children's play and ends up ruthlessly invading people's lives.

1944 Sergeant Vasily Kalina returns to his native village of Pastoron after the hospital. But he does not find the village: retreating, the Germans burned all the houses and mined the fields. The restoration of the economy is led by the former commander of the partisan detachment Grigory Gorovoy. He appoints Vasily as the chairman of the collective farm. Soon Kalina learns that Claudia, whom he loved before the war, considering him dead, married Gorovoy. The current situation is not an easy test for all three...