A serial killer thriller told in reverse, unravelling the truth behind a series of murders as DCI Gabriel Markham hunts down a brutal killer.

The relationship between Sergeant Stryker and a group of rebellious recruits is made difficult by the Sergeant’s tough training tactics. At Tarawa, the leathernecks have a chance to see Stryker in action, and begin to appreciate him.

During World War II, convicts are recruited by the Allies for an extremely hazardous mission.