Pakistan and India exchange nukes. Other countries join the fray, and the nuclear fallout causes a plague of the living dead. David attempts to lead a band of survivors from safe house to safe house, hoping to outlast the zombies, while also trying to protect the group from the machinations of a survivor and former member of his party bent on revenge.

A new deadly virus is transmitted to humans via mosquito bites and then learns to control their corpses. A bunch of survivors let their guard down once they find shelter and sex in each other.