The great Daimyo enlists the aid of the three Shadow Hunters in ensuring the delivery of an illegal cannon in this sequel to Toshio Masuda's bloody adaptation of the manga by Takao Saito. Despite the Shadow Hunters's remarkable skill, this mission is no walk in the park, and in order to survive they must face a relentless army of ninjas and female warriors willing to sacrifice their lives to disrupt the delivery and claim the cannon for themselves.