The burned remains of a young woman discovered in Shinjuku, Tokyo. The police comes to the conclusion that its the work of a pyromaniacal serial murderer. The murder victim is identified as Mayumi Tamaki, a native of Ishigaki, Okinawa. As the investigation unfolded, her former boyfriend, a former rider of a motorcycle named Chōei Mikawa emerged as a suspect. But Kano did not agree Mikawa is the suspect. Kano started conducting the investigation himself to search the real criminal person.
Zenjiro (Masaru Shiga) is a lowlife criminal, roaming the country with his merry band of crooks, gamblers and rapists. When he gets done with his latest escapade of banging a samurai's wife, he finds that his love Okoyo (Eiko Matsuda), has managed to be recruited as one of Shogun Tokugawa Ietsuna's (Kantaro Suga) concubines. While attempting to win her back, Zenjiro becomes involved in increasingly murderous palace intrigues.
Two Japanese men help a Vietnam war deserter escape from Japan for Sweden. They plan to fund the escape by selling LSD pills. After word of the drug deal gets spread around they find themselves fending off rival gangs.
Hanamura, widely known in gangland a professional trouble shooter has the sign of the Jack tattooed on his chest. His follower is his sworn partner Kurahara. They attempt to help the Towada-Gumi gang against its rival group the Kamioka-Gumi which is seeking the chance to conquer the Towada-Gumi in collusion with Noda, a big shot in the town operating a real estate firm.