Norizuki Gennojo, a commander of the Shogunate’s troops, sets out on a journey to train in swordplay. In that time, Koka Yoami, the father of his betrothed Chie, receives a special mission and goes to Awa Tokushima to search for the secret records of Naruto in which a pledge to overthrow the shogunate is sealed with blood. He is never heard of again. 10 years later, Gennojo returns to Edo as a wandering monk and in despair about his swordsmanship. He is slashed by Sekiya Magobei but survives because of the quick wits of a female pickpocket Mikaeri Otsuna. Gennojo gets entangled in conflict surrounding the secret records of Naruto. He and Otsuna try to infiltrate Awa Tokushima in order to obtain the secret records and face continuous attacks by assassins on the way there.

法月弦之丞（山本耕史饰）斩断对千绘（早见朱莉饰）的情思，开始了剑术修行之旅。千绘的父亲甲贺世阿弥（中村嘉葎雄饰）受密令所托，为了寻找倒幕的歃血盟书《鸣门秘贴》而潜入阿波德岛，但从此销声匿迹。数年后，对剑道感到绝望的弦之丞以虚无僧之姿重归江户。完成与女盗回头网（野野澄花饰）、辻斩十夜孙兵卫（袴田吉彦饰）等人命运的邂逅的弦之丞，为了能与千绘再次相见而登门拜访世阿弥家。但此时自称首席弟子的旅川周马（武田真治饰）却声称千绘因抑郁之症，不想见任何人。

막부 전복 계획이 담겨있는 나루토 비첩을 손에 넣기 위해 아와국에 침입을 시도하는 검사와 동료들의 이야기를 그린 드라마