At a tavern in Shimoda, Ronin Tadakazu Yamakawa saved a samurai girl named Mino from the clutches of the Benten family. When Mino's father, Kyohei Tsuchihashi, is murdered by unknown assailants, Tadakazu is summoned to Akane-ya, the landlord of this area. He promises to ensure the safety of Mino for three days, during which the Benten family must not harm her...