The Secret of the Green Forest (1961)

The film is set in the early XX century. Three friends of the working of the Ural village - Yegor, Petka and Stickleback - are not on good terms with boys from across the street led by Senka Kozhin. But while they help a wounded revolutionary they meet Senka's father and change their attitude towards Senka who turns out to be a desperate and brave young man.