Eric Riordan doesn't look for trouble, but trouble has a way of finding him. Two years have passed since the Outbreak, and after joining forces with his friend Gabriel, he has managed to stay alive by fleeing to the peaks of the Appalachian Mountains.
With supplies running low, and enemies gathering, the two survivors are forced to begin their journey west to Colorado. Along the way they will find unexpected allies, reunite with old friends, and make deadly new enemies. As difficult as life has been, the most dangerous times lie ahead. Nothing is ever easy at the end of the world.