Based on the fact-based novel by Nazi-hunter Simon Wiesenthal based on his 1962 prosecution of the head of a German factory whom he learns was a murderous labour camp commandant. To be able to take him to justice, he must find witnesses who can help him. This leads him to Max Rosenberg, a still tormented individual who lost his wife, Helen, in the camps. Initially Max refuses to cooperate, but gradually his story unfolds beginning before the Holocaust.