With the Aizu Seven Spears on their trail, the Hori women are eager to learn to fight and avenge their men's deaths, so they turn to swordsman Yagyu Jyubei Mitsuyoshi to teach them the ways of the blade. Meanwhile, a masked spy has also drawn the ire of the Seven Spears. What does this mysterious figure want? And will the Hori women survive their first encounter with the killers?