Eighteen years have passed since Cephas Paulson survived his ordeal inside the mountain. Faith has returned to the world, but the “Mark of the Beast” vaccine has inflicted unforeseen genetic damage to all who took it, dividing the world once again. With Four disbanded, Cephas and Martha stand as the only remaining hope for the Christian world-until they too disappear.Their children, Jocie and Austin, are left alone with no one to trust. Born with her father’s gift for puzzles, Jocie realizes that Cephas has scattered the clues to find him not only throughout her life but through time itself. As the pieces come together, it’s clear that the puzzle she’s solving is much larger than she’d imagined and that her past, present, and future all depend on her finding the solution.