Josh, Jim and Elizabeth's son meets some friends and decides to go with them "Outside the Gates." They dive off some cliffs, drink some homemade moonshine, and then run into trouble when dinosaurs get in the way.
The rebel group, known as Sixers, also has some men in the area of the kids, but they are taken out by dinosaurs known as Slashers. Jim Shannon and Commander Taylor set out searching for the missing children. They finally find the kids and save them from the dinosaurs.