まむしの兄弟　お礼参り

An American with a Japanese upbringing, Chris Kenner is a police officer assigned to the Little Tokyo section of Los Angeles. Kenner is partnered with Johnny Murata, a Japanese-American who isn't in touch with his roots. Despite their differences, both men excel at martial arts, and utilize their formidable skills when they go up against Yoshida, a vicious yakuza drug dealer with ties to Kenner's past.

Marc Schrader, a rookie cop caught red-handed with drugs in a police raid of an illegal rave, joins a homicide investigation conducted by Chief Inspector Minks. The victim is a naked young woman with the skin stripped off her back, killed as she staggered into traffic. As Schrader and Minks investigate the murder, the case is complicated by a finger found in the stomach of the victim. Forensic examination proves the finger belongs to Nobert Günzel, who was previously convicted of rape and assault. The police raid Günzel’s residence, and discover a blood-stained table with restraints and bits of human flesh in his basement. They also find video equipment and preserved, tattooed skin from the victim’s back. Soon, they found dead bodies buried in the garden. Günzel then goes missing.

Shiratori Tatsuhiko works as a scout for Burst, a talent agency in Kabukichō, Shinjuku's red light district. In a business where money means everything Tatsuhiko finds himself in a constant struggle between rival talent scouts and the yakuza.

Ryūichi and his small gang of Triad vie for control of the Japanese underworld in a crime-ridden Shinjuku quarter while Detective Jojima tries to bring it down.

Set 10 years after "Kids Return." Shinji and Masaru have graduated from high school with different paths in their lives. Shinji attempted to become boxer and Masaru a yakuza. They both tried to rise to the top of their respective fields.

Minami mistakenly kills a gangster associate of his named Brother. Almost as soon as the murder takes place, the body of the deceased man is gone, prompting Minami to conduct a search. While looking, he finds a mysterious isolated hotel where he decides to take a rest. Not only are the front desk clerks a bit strange, but even the ambiance feels unusual. Minami soon realizes he may have gotten more than he bargained for.

Sabu and his pals hold a pauper's funeral for Sabu's mother. His brother Jiro arrives home, fresh out of jail, and Sabu pointedly states that Jiro is not invited. Jiro meanwhile is planning a big job - steal 40 million in cash and drugs, and he invites Sabu and gang to act as decoys, for 50,000 each. The sting is a success, but the double-crossing starts almost immediately. Sabu discovers how little of the take they were promised and hides the stash. Jiro and his slimy partner pressure the kids to fess up. Meanwhile, their respectable elder brother Ichiro is being leaned on by the town's big boss, whose money it was.

Two contract killers cross paths in the middle of the same job and realize they are childhood friends. Together they take a break from killing and visit the small island they once called home. After reflecting on their past lives they decided to team up and use their talents in killing for good... much to the upset of the crime syndicates.

Tension continues at the Kyowakai headquarters. Kawatani, Himuro, and Tamura are unable to hide their anger and confusion at the events that occur one after another, such as Shibuya's death and a series of absentees from meetings. Meanwhile, in Kobe, a new anti-chivalry group is starting to move. However, Baba, who plays the role of chairman and does not know about Shibuya's death, postpones the official raising of the company.

Gokudo Shimamura comes to blows with the Delinquent Boss who rolls into town with his motorcycle gang.

The last in the series. Sugawara runs into two mahjong cheaters (Ichiro Araki and Mako Midori + sidekick Takuzo Kawatani) whom he takes for friends in need as his naivety prevents him from seeing their true nature.