In the summer of 1941 bored and eccentric young officer David Stirling came up with a plan that was radical and entirely against the rules: a small undercover unit that would inflict mayhem behind enemy lines. Despite intense opposition Winston Churchill personally gave Stirling permission to recruit the toughest brightest and most ruthless soldiers he could find. So began the most celebrated and mysterious military organisation in the world: the SAS. Now 75 years later the SAS has finally decided to tell its astonishing story. The result is an exhilarating tale of fearlessness and heroism recklessness and tragedy; of extraordinary men who were willing to take monumental risks. It is a story about the meaning of courage.