"The Theos await you. Only then will we stop the Unwinding." The threat of invaders is gone, and Earth has been bartered away as a price for peace. Yet, the human world of New Spero is thriving and full of hope. Joining the rank of the Gatekeepers, Dean and Mary set off to explore worlds connected by the mysterious portals. When they stumble upon a strange symbol, they are led to an ancient object, one that sets them on an unstoppable path...