Recounts how Japan used prisoners of war to test biological weapons during World War II and explains how Japanese researchers escaped justice at the end of the war.

Part 1 :The secret: A discovery-- Higher forms of killing-- Experiments in Manchuria; The secret of secrets-- Prisoners in Mukden-- Waging germ warfare-- The end of Pingfan -- part 2 : Disclosure : What allied intelligence knew-- MacArthur : freedom, tolerance and justice ...-- Murray Sanders-- Ishii investigated-- Evidence and trials-- Soviet interrogations and information-- Further interrogations-- US secret knowledge-- Six days at Khabarovsk -- part 3 : Consequences : Forty years on.