In medieval Japan, Aiko is the young daughter of a master swordmaker. Fascinated by the philosophy behind the swords, Aiko strives to become a swordswoman, despite the fact that very few women became samurai fighters. In the hopes that Aiko would forget about this desire, her parents send here to the island of Hokkaido to marry a nobleman. After being abused be her husband, Aiko runs away to a small Ainu village. The Ainu were the indigenous people originally living in Japan. There she meets a teacher who instructs her in the non-violent No-hands method. After great difficulty and the death of her teacher Aiko finally masters the No-hands Method. It is a complex story with many twists and turns.