Detroit has become a war zone. Slow, shambling corpses feast upon the living while fire consumes the city. Amparo Vega, a haunted mercenary, fights through streets that are choked with the dead. Her mission: extract the legendary soldier, Jim Traverse, who holds the terrifying secret behind the zombie epidemic. While the bullets fly, Traverse befriends a group of survivors whose fates are forever linked to his: an infamous arms dealer, a young lawyer, and a former detective struggle against the zombies together. Can Vega's elite cadre of mercenaries find Traverse before the epidemic becomes global?