"Occupied Warsaw, Summer 1940: Witold Pilecki, a Polish underground operative, accepted a mission to uncover the fate of thousands interned at a new concentration camp, report on Nazi crimes, raise a secret army, and stage an uprising. The name of the camp -- Auschwitz. Over the next two and half years, and under the cruelest of conditions, Pilecki's underground sabotaged facilities, assassinated Nazi officers, and gathered evidence of terrifying...