Ewan Juno awakens to find himself part of a group of young people who have been assembled in a strange place, surrounded by stone walls and endless corridors. Gradually, Ewan and the others learn that they are captive in the Castle of the Thousand-Year Labyrinth, and each of them is a candidate to become the next emperor! This castle, with its twisted secrets and deadly mysteries, could grant their hearts' desires...or bring them to their knees in despair.