The criminal charge sheet against senior Nazi Otto Wachter. Whilst Charlotte Wachter and her children were spending the summer in Zell am See, Otto was in Lemberg overseeing the 'Grosse Aktion' - the mass deportation of Jews to concentration camps. Philippe Sands interviews two Nazi hunters from the US Department of Justice to go through the evidence against Otto. Meanwhile Otto's son Horst continues to maintain his father's innocence.