The dramatised account of how the world’s greatest Special Forces unit, the SAS, was formed under extraordinary circumstances in the darkest days of World War Two.

Andy Marlow, an ex British S.A.S serviceman turned mercenary, is sent into the Balkans after a military coup has arisen to rescue a U.S ambassador and his aide.

When his mentor is taken captive by a disgraced Arab sheik, a killer-for-hire is forced into action. His mission: kill three members of Britain's elite Special Air Service responsible for his sons' deaths.