Country girl Nadia moves to the city and becomes a maid in Valya's apartment. Valya, who is a member of the local District Committee, does not know that Nadia fell in love with her currently absent husband, a geologist named Maksim, when he had visited Nadia's village during a recent expedition.
A young boy suddenly finds a magic bolt which makes him incredibly brave.
The young schoolboy goes to the village where his grandfather died in battle during the Great Patriotic War. In the village, the boy finds friends among his peers. The boys decide secretly, by their own efforts, to build a monument to the fallen soldiers. Gradually, their work ceases to be secret - and fellow villagers join in the construction of the monument.
