Plot: Sir David lifts the lid on true stories of unbelievable heroism in World War II and explores a world of cold-blooded assassins, crack saboteurs, elite commandos, real-life super-villains and the ultimate femmes fatales. With unique access to the UK Defence Academy, Sir David uncovers the astonishing true stories of the World War II super-agents whose exploits and tales of derring-do could have come straight from the pages of a Bond novel