When Koryu's childhood friend Shurei is abducted by gangsters, the desperate young woman recruits a female martial artist and a tough-as-nails stranger to join her for a dangerous rescue mission.

Christina, on arriving in Japan, acquaints a Japanese man at the airport who looks like a sap. He takes her to his apartment where he brutally rapes her and keeps her hostage and bound in chains. Christina's alluring beauty eventually enchants the rapist and he is soon consulting his 'How to Stimulate a Woman' sex book in an effort to please her...

The Bohachi Clan, the most vile, corrupt organization with ties deep in the Shogunate, have controlled the flesh trade in Japan for generations. When threatened by a competitor, they employ Saburai, a nihilistic ronin on the verge of self destruction. Blood gushes and limbs fly for anyone who stands against Saburai as he instills the Way of the Bohachi.