柳生新阴流的门派秘宝“柳生武艺帐”分为两卷，一卷“水月之卷”保存于江户柳生道场，另一卷“浮舟之卷”则流落于江湖不知去向。江湖传闻只要将两卷合一，便能知晓柳生武艺帐所隐藏的天大秘密！面对各方势力都觊觎这两卷神秘卷轴的严峻复杂形势，柳生十兵卫能力挽狂澜吗？

The beautiful daughter of a merchant with a penchant for danger proves to be too much to handle for her worried father. Disguising herself as a man and changing her name, she heads for the capital...