After the giant war, there was peace at Camp Half Blood. Cabins didn't fight and the Romans came to visit often. Everthing was perfect. Except for one very unhappy camper. His name was Percy Jackson, defeater of Gaea, Kronos and many, many more monsters and titans. And Percy Jackson was unhappy because of one single person, his new half-sister Skylar. And when you're unhappy you want to get away from everything, so he left.