In this entertaining anime tale, sixth-grader Hikaru Shindou -- much to his astonishment -- becomes a vessel for Fujiwara no Sai, a ghost with some unfinished business. After discovering an ancient Japanese board game in grandpa's garret, Hikaru finds himself possessed by Sai, a dishonored master of the game who killed himself. With the youngster's help, can the spirit carry out his agenda and finally rest in peace?