A nuclear bomb is detonated in Los Angeles, plunging the nation into unprecedented chaos. Ex-Green Beret Jeff Eriksson and his family flee to Homestead, a quaint prepper stronghold in the mountains. As violent threats and apocalyptic conditions creep toward their borders, the residents of Homestead are left wondering: how long can a group of people withstand both the dangers of human nature and the bloodshed on their doorstep?