Photography was strictly forbidden in Auschwitz. And yet there are several photo albums from the scene of the crime. Who took the photos - and why? That remained a mystery for a long time.

He became a beacon of hope for thousands of children and a lifesaver for hundreds: the Jewish German Fredy Hirsch. Director Winfried Laasch takes a look at one of the last mysteries of the Holocaust. As a boy scout, Fredy Hirsch took care of those who were most helpless in the face of Nazi reprisals from an early age: Jewish children and young people. First in Düsseldorf, later in Prague, then in the Theresienstadt ghetto and finally in Auschwitz.

Samuel Willenberg and Kalman Taigman, the last two survivors of the Nazi extermination camp Treblinka, recount the horrors they experienced during the war and talk about their lives after their escape in a prisoner uprising in 1943. Willenberg would go on to become a hero of the 1944 Warsaw uprising while Taigman would be called as a witness during the infamous trial of Adolf Eichmann.