A nuclear bomb is detonated in Los Angeles, and the nation is plunged into unprecedented chaos. Former Green Beret Jeff Erickson and his family flee to The Homestead, an eccentric training fortress nestled in the mountains. As deadly threats and apocalyptic conditions close in on their borders, the residents of The Homestead wonder: How long can a group of people endure both the dangers of human nature and the bloodshed on their doorstep?