Years after the nuclear holocaust, McKinney Sweetlock is the lone survivor of his family and lives in a cabin near the Grand Tetons in Wyoming.As fall comes, McKinney must get food for winter. Instead of rustling up some rabbit or a deer, he finds an evil being with a boy over his shoulder.McKinney rescues the boy, Luke, from evil. Luke tells McKinney that he must get back to Eternity, a city under Denver Airport. Luke asks McKinney to help him get to the airport so that he can help his people. McKinney agrees to make the dangerous trek.Evil pursues them and they want Luke for more than food; they want him for his secret. The Minister, the man who runs Eternity, has his own forces searching for Luke too. He has something evil doesn't; he has Luke's father, the only person who can get the chip from Luke's brain and decode its secrets.Five hundred miles of wasteland, burned out cities, and evil and the minister's forces chasing Luke, McKinney's been up against some tough killers when he fought a grizzly bear or when he fought off some lycans, but none the like of these monsters.