Following the suicide of an elderly Jewish man, investigative journalist Peter Miller sets out to hunt down an SS Captain and former concentration camp commander. In doing so he discovers that, despite allegations of war crimes, the former commander has become a man of importance in industry in post-war Germany, protected from prosecution by a powerful organisation of former SS members called Odessa.

Hans Baerlach is a Swiss police detective who has dedicated much of his career to pursuing powerful and allegedly murderous businessman Richard Gastmann. Though Baerlach’s partner meets his demise while investigating Gastmann, his replacement, Walter Tschanz, is undaunted. Meanwhile, the lovely Anna Crawley becomes involved in the case, which proceeds to take many twists and turns.