In Area 51, soldiers transport a mysterious package while a distracted newlywed couple crashes into their truck, unleashing a deadly zombie named Zeus. The infection spreads through Las Vegas, prompting mercenaries and the military to fight back. The city becomes overrun, leading to a drastic decision to isolate it. Years later, the government considers nuclear destruction as a last resort. The chaos of zombies and the struggle for survival intensify as the city remains quarantined.