It's been a year since the blast devoured New York City. An airborne disease has wiped out millions. High caliber weapons and gasmasks are a necessity. Memories are an extravagance. Former Special Forces operator Nostradamus Greene lost his wife and teenaged sons. Now he struggles to keep his young daughter safe, waging war against desperate scavengers, rabid for any food they can find or steal. With only so much to go around, Nos and Naomi fight and scrap to survive the biological Armageddon. Each day brings new danger to their reinforced door. But when Nos hesitates in killing a pair of raiding brothers, Naomi is attacked and exposed to the virus. Nos' new mission goes beyond mere survival. To save his daughter, he'll have to find the cure that saves the world.