After escaping from an insane asylum, a medical student assumes the identity of a mysterious dead man, who appears to be his doppelganger, and gets lured to a sinister island ruled by a mad scientist and his malformed men.
Ocho is accidentally captured by a drug trafficking cartel who use Chinese women to smuggle drugs into Japan by hiding it in their vaginas. She is tortured, and manages to escape, fighting both the male yakuzas and a gang of female thieves.
The lord of the Oshi fief is killed by his trespassing neighbour, the cruel and despotic Nariatsu, son of the former Shogun. After an investigation, the Oshi clan is blamed for what happened and sentenced to be disbanded. Eleven of the best samurai of the clan refuse the sentence and are willing to give their life for justice.
