Desert is consuming the North American continent, Europe was wiped out by a cataclysmic meteor shower, and the world's oceans are unsalvageable poison. Those who could afford to flee to space are long gone, leaving the rest behind in the dust. Nyx is completely alone, scavenging the ruins of humanity to get by. With her brother suddenly missing, the only people she can trust are herself and her busted-up Bronco. Scavenging earns her enough water credits to stay alive but with no margin for error. When a stroke of unexpected luck sends her back to the nearest tent city, things go sideways.

A nerve agent is deployed in cities across the country, and within hours tens of millions are dead—but the worst is yet to come. Caught in the middle of the attacks in Los Angeles, the vacationing O’Brian family barely survives by the skin of their teeth—but soon find themselves trapped in the midst of a city of the dead. The only way back to their family in Oregon is to go straight through the heart of the charnel house, a prospect that is easier said than done.

Weeks after a domestic terror attack leaves Texas in the dark, the rest of the nations begins to feel its pain. The economy weakens. Supply chains break. And a shadowy conspiracy works to undermine everything Americans hold dear.

In the middle of the holidays, a biological attack wreaks havoc on the U.S. The virus is quick. Deadly. Unstoppable. The country is left in tatters. For Isaac Race, it’s especially bitter. After the death of his parents and sister, he was just getting his life back on track - the weaponized virus changes all that. Battered by the fresh deaths of his foster parents, but hardened by the year he’s endured, he emerges from the temporary safety of his home to seek out other survivors during the worst winter in years.

Cyber-security analyst Kate McCarthy knows something ominous is about to happen in the US banking system. She has a place to go if things get hectic, but it’s far from the perfect retreat. When a new breed of computer virus takes down America’s financial network, chaos and violence erupt. Access to cash disappears and credit cards become worthless. Desperate consumers are left with no means to purchase food, fuel, and basic necessities. Society melts down instantly and the threat of starvation brings out the absolute worst humanity has to offer.