When Hiro's family is plagued by a mysterious moon sickness, it's up to him to find a cure. Hiro, Aya and Yoshi must journey to an ancient monastery to find answers. But along the way, they encounter the bakeneko-magical, shape-shifting cats who pose as Hiro's brothers to confuse and waylay them. To save his family, Hiro must defeat the shadow-stealing bakeneko-and the evil monk who controls them . . .