One by one, the seven Shogi’s who have been scattered to the 4 corners of the Kingdom disappear. Our heroes carry out an inquiry. They discover that their disappearance is the work of a Shogi who once disappeared himself' in the mountains, and whom Kwodahn liberated from a coat of ice to serve his vengeance. This adversary is all the more fearsome as he himself' is a Shogi and knows their weak points.