Jerzy Cwiklinski

A young scientist is kidnapped and taken to a mysterious house in which his former professor is conducting experiments to shrink people.

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.