When the music of a bone flute given to her by a goblin separates Kaile's shadow from herself, her family believes she has died and become a ghoul, and Kaile must set out to prove that she still lives.
A princess and a peasant girl, who hides a sorrow in a town where everyone lives with unending joy, embark on a dangerous quest to outwit a centuries-old warning foretelling the fall of the Monarchy.