Although Tom Miller calls the Manti-La Sal mountains of Central Utah his home, he's roamed all over the Southwestern United States in the ten years since global nuclear war destroyed civilization. When a convoy of settlers from Utah Valley fleeing the horror of a fallout zone larger than they'd realized offer him a job guiding them to a new life in Texas, he's dubious of their chances of even making it through the badlands. But he needs a new horse...

An unknown illness is appearing in airports all across the world. Ellie Feldman is on the way home from a business trip, looking forward to seeing her kids, when her plane is grounded on the tarmac in Hawaii. No one wants to tell her what's going on, until finally she learns of the virulent disease spreading over the globe. Now she has to find a way to get home to her family. Back at home her ex-husband, Nick Statton, thinks his problems revolve around...

Ellie has finally reunited with her family, finding them safe and sound in the small town of Stanberry. The place looks safe and peaceful, an ideal location for a new start. Especially with the scavenging work Nick's been doing for the town, gathering enough supplies to last their family until the Zolos crisis is over. They hope. But things aren't all perfect, even in such an isolated location. People fleeing their homes have been pouring in, seeking...