Josie, Ava, and Riley grew up together as the closest, and most regular, cousins that could be found. That is, until the summer they find out they aren't normal, they are demigods, all of them, and before they even have time to adjust to this rapid change they are sent on a predestined quest to save two of the most important demigods around: Percy and Annabeth.

This is Reyna's point of view of the end of the Titan war. It also deals with the struggles of her love for a daughter of Venus and her need to be accepted as a traditional Roman.