The neophyte necromancer Peter embarks on a long and hazardous quest, to uncover the truth behind the disappearance of prominent Gamesmen from the lands of the True Game. As the Wizard's Eleven sleep, trapped in their dreams, a giant stalks the mountains, the Shadowpeople gather by the light of the moon, and the Bonedancers raise up armies of the dead.

As the truth unfolds, Peter, son of Mavin Manyshaped, must realize his true identity, and become the card that threatens the True Game itself.