What would you do if you were trapped underground with a bunch of religious fanatics who are all waiting for the world to end?

16 year-olds Gwen and Isaiah thought they had finally uncovered the truth about the world-wide conspiracy to manufacture the rapture when they discovered where all the missing people were hiding. But then they became trapped there themselves! They must use their wits to navigate this strange new place and figure out who their real allies are if they are ever going to find a way out. Meanwhile, their friend Mindy is on the outside looking for them as she begins questioning why the infamous Reverend Haymouth has suddenly shown an interest in her and whether her devotion to the True Believer Temple may have been misplaced all along.