Set in post-civil war Spain, a young girl flees the home of her cruel step-father into an underground fantasy world where she encounters a strange creature and a terrifying battle between good and evil.
When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near.