The wartime career of double-cross agent TATE, who helped start MI5's wartime deception campaign. A compelling story of loyalty, deceit and intrigue that promises to make agent Zigzag look like a bit of a wuss! Interest in the Secret Service has never been higher, with the adoration of the TV series "Spooks", the popularity of James Bond and the success of "Tinker, Tailor, Soldier, Spy".