Olympus has fallen. The second Gigantomachy has ended, and in Gaia's triumph, the world has been torn apart.
But the Fates look on at their meddling, and undo what should never have happened.
Percy Jackson is returned to his twelve-year-old self, memories intact and determined to save everyone, of course. But he is not alone. The Moirai underestimated the strength of the Lord of Time when stealing his power, and there is something about this particular demigod brat that intrigues him...