The incredible true story of the Polish pre-war boxing champion Tadeusz "Teddy" Pietrzykowski, who in 1940 arrived with the very first transport of prisoners to the newly created Auschwitz concentration camp. Tasked with finishing the build of the camp, he was then made to take part in boxing matches with other prisoners and SS officers. He only lost one bout, and also played an active role in the resistance movement at the camp.