Once again we focus on Nami Matsushima. This time she has a sister who goes missing and after getting too caught up in doing something about it, our innocent heroine is given a fifteen year sentence for a murder she didn't commit. She's sent to an all women prison where she's not exactly welcome. Her fellow inmates torture, humiliate and try to kill her; but the Scorpion prevails long enough to get some justice.
Akira Inugami is the only survivor of a clan of ancient werewolves who relies on his supernatural powers to solve mysterious crimes. After a series of bloody killings perpetrated by an unseen force, Inugami uncovers a conspiracy involving a murdered cabaret singer, corrupt politicians, and a plot by the J-CIA to harvest his blood in order to steal his lycanthropic powers! At the same time, Inugami also discovers the truth behind his family heritage, and that he may not be the last of his kind.
Karate master and anti-drug vigilante Chiba returns to his home in Japan, where he holds a press conference announcing his intention to wipe out the nation's drug industry. He also offers his services as a bodyguard to anyone who is willing to come forward and provide information about the drug lords' activities. He is soon approached by a mysterious woman claiming to have important information and asking for Chiba's protection. She seems to be legitimate, but is she really what she appears to be?
With her wedding only one day away, Mina (Mari Tanaka) spends a night with her former lover Ozaki (Kinji Takinami) at a highway motel on the outskirts of Yokohama. On her way back from her last adventure, Mina’s car hits a hippie-like youth called Ryo (Ken Yoshizawa). Shocked by the accident and, moreover, left alone by Ozaki, who hated to be involved in the trouble, Mina places the unconscious youth in the back seat and drives toward a lake...