It's been 50 years since the zombie outbreak. Society collapsed, and then dragged itself back together again, crooked and misshapen. Craig Tucker is a Wanderer, drifting from place to place in a desperate bid for survival. Alone in the Colorado wilderness, with no supplies, and Winter fast approaching, he's forced to follow the mysterious and eccentric Kenny, and to seek refuge in South Park. There's something very, very off about this place. And there's something very, very off about Kenny...