Asami and Rina are two sisters who are both professional shogi players in the same B League. Both are also unsatisfied with their partners — Asami is in a slump and is danger of slipping into the C League and she blames her husband Kazuya...
濑户朝香在片中与市川实日子饰演一对日本女围棋手姐妹,两人都在围棋界力争上游,却因此无法顾及家庭和感情,由此引发了种种问题。