Shindo Hikaru was brought up by his grandpa in a remote countryside where he met Fujiwara Sai, a former go player under reclusion. After the death of his grandpa & Sai, he returned to Tokyo, carrying with him a knowledge of go far beyond his imagination..

A chance encounter with Ogata and a slip of the tongue turns Hikaru into a victim of Sai's success. What is he supposed to do when even the truth won't save him?