Lt. Sandy Fletcher leads her squad of beat up "Hell Patrollers" across a post-zombalyptic wasteland, to the safe city of San Francisco after a failed scrounging mission in Modesto, California. Her squad finds refuge in an abandoned farmhouse and they fortify the grounds for a possible attack. Lt. Fletcher, Sgt. Mark Daniels, Cpl. Chopper, Pvt. Mcwatt and Maj. Karl Brickhaus must fight their way through the unending wave of the undead to get home.