After the Chief of the Secret Intelligence Service is assassinated, a terrorist organization plans to unleash a weapon of apocalyptic proportions and bring the British government to its knees.<br /><br />A deniable team is assembled to hunt down the terrorists. Called back from obscurity to lead them is Jack &quot;Gorilla&quot; Grant: a freelancer with a Smith &amp; Wesson&#39; 39 and cut-throat razor. And he&#39;s ready to settle the score in his own, brutal fashion.<br /><br />The Sentinel Five team turns their gunsights to the East, and enters a killing ground of death.