Captain Joshua Drake, a cynical and exhausted veteran, commands a platoon of men on the front lines of a collapsing civilization waging a brutal war against the walking dead. As the fragile human defenses struggle to hold back an enemy that does not sleep or feel pain, Drake and his men are sent on a dangerous mission deep behind enemy lines. The small platoon of soldiers set out into the apocalyptic wasteland where they must battle mass zombie hordes, dissension in the ranks and homicidal nomadic humans. To survive against these impossible odds and change the course of the war they will have to trust an unlikely and potentially dangerous ally.