A Soviet propaganda film about the feat of one of the first Soviet agitators-film mechanics Trofim Glushkov, killed by the White Guardians in the years of the Civil War.

Pavel Ivanovich Shumov is a public assessor of the court, an engineer, and a good family man. At the next court hearing, some circumstances of the defendant’s life convince the hero that this is his son. Shumov is looking for the defendant’s mother and, not recognizing her as the woman he once loved, returns home...

Early postwar years in a small mining town near Tula. While the adults, who are mostly women, are busy with work, the youngsters are left to fend for themselves and fight their own battles.

The movie takes place in the first years after the Bolshevik coup in Donbas. Bandits blow up the bridge that carries ore to the blast furnace, the director of the plant is seriously wounded. The workers unanimously elect Ivan Klyavin, a mining foreman, as acting director. In search of the missing train with bread Klyavin gets to Petrograd. Here the hero meets Lenin. Returning to the factory, Klyavin reads to the workers a letter from the leader of the party. Enemies kill Klyavin, but are no longer able to prevent the factory workers from successfully overcoming the devastation.

Peasant Nikifor Bubnov goes to the mining regions of Donbas to earn money for a horse. People working nearby become his friends - with them he supports and develops the Stakhanov movement.

A story about an events occurred in Belarus in 1944 during the WWII.

Faina got married shortly before the war. She is raising her daughter on her own, remaining faithful to her husband, who was killed in the war.