In the darkest of times, where there's no cell signal, where you have to scavenge for food, where there are little to no good people left, where the military and the government has left the world for dead, where the living dead roam. When the disease code named Zem-79 by the government descends among the townspeople of Runswick, Colorado, most think that it's a common flu or a cold, as the news procliamed. Oh how wrong they were.