PRAC is in control of the new world and their influence is spreading quickly. General Stinson controls the eastern seaboard through a powerful army that can defend the local outposts from the legions of the dead. David and Mason must build a force strong enough to destroy those responsible for creating the virus. Tommy is back with a new friend Nick, and together they leave the oil rig to find the world they left behind is now a Hell of rotting dead. Through prisons and hedonistic sanctuaries to dark government secrets, the survivors must find out how deep the secrets of the undead will take them. Surviving Day Zero was only the beginning of this nightmare as the dead are growing stronger and faster as the hope for mankind is quickly slipping away.