Simon Wiesenthal survived the Holocaust, but would never forget its victims and executioners. He devoted his life to finding the perpetrators of this crime. He is one of the most famous hunters of Nazis. He was pursued by Josef Mengele, Franka Stangl and Adolf Eichmann. Thanks to him, Eichmann brought to justice. The film tells how he searched for Nazi criminals, as was his relationship with society and the Jewish Diaspora.