After surviving the destruction of their hometown, a hellish journey across the states, and monsters both human and mutant, Connor and Amanita find themselves at one of the last remaining military bases in southern California. Unfortunately, this isn't a safe haven. Death lurks just beyond the razor wire and concrete walls, and it's only a matter of time before their resources run dry. Their only hope of survival is to find a cure for the hissers plague. Problem is, the rest of the world blames America for the outbreak and are gearing up for nuclear war, forcing Connor, Amanita, and the remaining survivors to make a final a stand before humanity becomes a distant memory.