A nuclear bomb is detonated in Los Angeles, and the nation is thrown into unprecedented chaos. Former Green Beret Jeff Eriksson and his family escape to The Homestead, a prepper's eccentric fortress nestled in the mountains. As violent threats and apocalyptic conditions creep towards their borders, the residents of The Homestead are left to wonder: how long can a group of people withstand both the dangers of human nature and the bloodshed on their doorstep?