​In the final days of Japan’s Shogunate period, female Shinobi assassins like Karyuu struggle to survive by working undercover. Karyuu, a skilled fighter with a mesmerizing sex appeal, utilizes her lethal techniques to fulfill her deadly missions. However, when she targets a man who is being flirtatious with a maidservant, her assassination attempt is foiled by none other than Uzume, another contract assassin. To Karyuu’s surprise, Uzume proceeds to carry out her own mission by eliminating the man right before her eyes. Thus, a fierce battle between Karyuu and Uzume ignites, setting the stage for an intense showdown.​