One group of survivors gather around a man named Gabe in Ames, Iowa. They believe The End Times are at hand, and they will be the heroes of Revelations.
Others follow a woman named Lucy to Dallas. She tells them they're going to fight and win the final battle of the haves against the have-nots.
As what seems to be the last of humanity goes to war, John wonders, "Is this the apocalypse, or just an incredible simulation?"