Retro movie about bullies with a tender heart

The year is 1936, the nervous atmosphere of the Nazi threat penetrates into the sport. Upgrade boxe Vilda Jakub will compete with German Kurt Schaller. The Nazis decisions are used in order to win his master even the dirtiest means. Vilda inspect their game and focus on the preparation of environmental events. The story culminates in the victory of one of the two lovers, between which Vilda tense moments in the decision.