Simon Vaughn knows what it's like to fight a dirty war - he's had first-hand experience in Korea. Now he languishes in a Greek jail. When it comes to firearms and gun-running, nobody does it better, but those days are behind him, until the British army proposes a deal: his freedom for his help against the IRA in Belfast. He doesn't have a choice, if he wants his freedom back he'll have to conquer a new battleground....