Young boxer studies with a kind, knowing manager, grooming him for the Olympics. He fights the lead boxer, has a brief fling, and gets jailed for beating up a group he feels laughed at him during the drunken spree. But he is rehabilitated and gets a crack at the Olympics where he wins.
Through the fate of the boy - whose hunger drives from his home village , and who receives a severe school of life , going through different social environments in order to become conscious , revolutionary activist - creators show a realistic panorama of conflicts in pre-WWII Poland.