It is 1940. The first transport of prisoners arrives at the newly created concentration camp Auschwitz. One of them is Tadeusz “Teddy” Pietrzykowski, pre-war boxing champion of Warsaw. The camp officers force him to fight in the ring for his and other prisoners’ lives. However, his every win strengthens the hope that Nazis are not invincible. Auschwitz officers notice the growing resistance. The confrontation with the authorities of the camp becomes inevitable.