Percy Jackson is about to be attending his first year of High School. But when he meets a mysterious mortal companion and some Demon Cheerleaders things go from bad to worse. In this 4th installment of the Percy Jackson series, Kronos and his gang of monsters are drawing nearer and time is running out for Camp Half-Blood. So Percy and his friends must travel into the Labyrinth,with monsters at every turn, come to senses with a mysterious inventor and retrieve a powerful string from the inventor to stop Luke and his monsters from invading camp