After the war, Paul Berkowitz, a former soldier of Jewish Nazi hunter group, Nokmim is recruited by a Nazi to assassinate Dr Karl Stangl, also known as the Monster of Mauthausen. Discovering Stangl murdered his parents and brothers in the infamous camp, Berkowitz agrees. Like so many other war criminals, Stangl flees Germany and lives within a Nazi community in Cairo. During his quest, Berkowitz is imprisoned in notorious prison, Abu Zaabal. In London, a spate of murders of ex-Nazis occurs and DI Cosgrove suspects former Nokmim members, including Berkowitz. A tale against the background of the Holocaust takes us to London, Argentina, Cairo, Germany, Austria, and Paraguay. This harrowing and intriguing story, unbelievably contains some factual events.