Natalie's quick thinking helps Vicki, Darrion, and Charlie escape the Global Community's grasp. But will the GC satellite tracking -- help hunt them down? A teenager with problems in New Babylon contacts the kids and Lionel believes it might be a trick. Will Judd take the chance of a secret rendezvous? As the world prepares to take the mark of Nicolae Carpathia, the kids try to convince people of the consequences. Join the Young Tribulation Force as they discover a clever way to spread their message via computer and struggle to free their friends.