The exodus to the Rocky Mountains, to the Free Zone, of people who survived the superflu epidemic continues. On the other side of the mountains, in Las Vegas, the Prince of Darkness - the Dark Man without a Face - is gathering forces to destroy the Free Zone. However, a madman who has fallen under the power of the Dark Man detonates an atomic bomb, and Las Vegas perishes in the hellish flames of the explosion. And life is reborn in the Free Zone - children appear, people dream of recreating the old America, of returning to their native places. But the Prince of Darkness is immortal; he appears again, only in a different guise...