Percy and Annabeth are out of Tartarus. Reyna, Nico, and Coach Hedge are on their way to Camp Half-Blood to restore the peace between the camps. Now the 7 are headed off to Athens to defeat Gaea and possibly save the world from destruction. Will they be able to defeat her with the time they have left? Will Reyna, Nico, and Coach Hedge succeed in their quest? Or will the Seven be defeated, letting Gaea go through with her plan to overthrow the Olympians....?