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.

On a quiet beach in South Florida, Alice Burton and her two children have started the family vacation early - all that's left is for James to fly in from a conference in Colorado. When the small beach town they're staying in is consumed by fire, they're forced to seek help on foot - facing dangers both natural and manmade at every turn.

The super solar storm wasn’t supposed to hit Earth - the odds were against it. And yet it did, and everything changed. The storm causes a global blackout. Society begins to come apart as the planes begin falling from the sky and all traces of normal vanish. Scott Montgomery watches helplessly as pandemonium consumes the world around him. But the loss of electrical power is just the first of the problems facing the survivors in the chaos that follows.

It really is the four horsemen of the apocalypse, Death, Famine, War, and Conquest. Things a seventeen-year-old boy shouldn’t have to deal with. In those most infamous words, mistakes were made. It wasn’t supposed to happen. The asteroid was supposed to miss. Running for their lives, Ryan Conrad and Kelsey Morgan, race to escape the impact of a super asteroid and the apocalyptic world it left behind. Fighting to survive the aftershocks. The earthquake to end all earthquakes, the largest tsunami in human history, and worst of all, the EMP and loss of civilization.

Half of the earth's population has been wiped out. Impossible to predict or stop, the Gamma Ray Burst tore through the Earth like a bullet, its radiation wave killing hundreds of millions, and the after effects ensuring the deaths of billions more.