Secrets of War is a comprehensive and unique study of the conspiracies and espionage at the heart of some of the most significant moments of the 20th Century, this fascinating documentary series uncovers the amazing stories of cunning, deception and sabotage that have changed the course of modern history. From double agents, intelligence gathering and codebreaking machines to secret weapons, spy planes, and guerrilla campaigns, a wealth of undercover tactics used by some of historys most influential leaders are revealed. Secrets of War has become an instant classic offering the most historically accurate complete guide to espionage in the 20th Century ever produced.