After stumbling across a haunted go board, Hikaru Shindo discovers that the spirit of a master player named Fujiwara-no-Sai has taken up residence in his consciousness. Sai awakens in Hikaru an untapped genius for the game, and soon the schoolboy is chasing his own dream--defeating the famed go prodigy Akira Toya!

Hikaru is horrified to find that he's losing all of his games at the insei school! The Young Lions Tournament is just three months away, and the insei who qualify will play against rookie pros, including Akira. Hikaru sees his chance to impress his rival, but can he turn his losing streak around in time?