Two weeks after the United States was attacked, and the nation was thrown into darkness, Brody Slater and his buddies emerge from the bunker into the horrors of a war-torn country. Seeking vengeance for the death of his brother, Malcolm seizes control of the town of Bridgeport, and dishes out his own brand of vicious punishment on remaining survivors. When two manage to escape and cross paths with Brody and his group, they soon discover Chase's family are among the captured. With a deadly battle ahead of them, and the clock ticking, they will need more than their wits about them if they hope to survive this ruthless threat.