The best Kōji Fujiyama’s thriller movies

In the fifth film of the Lone Wolf and Cub series, Ogami Itto is challenged by five warriors, each has one fifth of Ogami's assassin fee and one fifth of the information he needs to complete his assassination.

After being cruelly set up by a crooked detective named Sugimi (Isao Natsuyagi), whom she loved, Nami Matsushima (aka Matsu the Scorpion) (Meiko Kaji) is sentenced to do hard time in a women's prison, which is run by sadistic and horny male guards. There are 700 other prisoners, making Matsu number 701. Her crime was making a failed attempt to stab Sugimi on the steps of the Tokyo Metropolitan Police Headquarters because he used her to win favor with the Yakuza. While in prison she meets inmates like Yuki Kida (Yayoi Watanabe) who was committed for fraud and theft, Otsuka (Akemi Negishi), jailed for burglary and extortion, and Katagiri (Rie Yokoyama) who has been impounded for arson and illegally disposing of a body.

Agent Zero is a cop that uses her own methods for dealing with criminals. After she unlawfully kills a rapist in a violent fashion, she is sent to prison and stripped of her badge. But very soon after, a rich politician's daughter is kidnapped by a ruthless gang. Agent Zero is let out of prison with the mission of going undercover to find the politician's daughter and return her safely. Using her deadly red handcuffs, she disposes of the criminals one by one.

Following her successful prison break, Scorpion begins this third episode in the series hiding out in a brothel. Her prostitute friend tries to keep her identity secret, but the brothel's madam discovers that Scorpion is the ex-girlfriend of the vice officer who killed her lover.

A look at the life of renegade yakuza, Rikio Ishikawa, particularly the years from 1946 to 1950 when his violent antics get him in trouble with his own clan, Kawada, and then with the clan of his protector, Kozaburo Imai. In these years, he can rely on Chieko, a young Tokyo courtesan who gives him shelter. He's banished to Osaka, where he picks up a drug habit. Through it all, he keeps his friends and enemies off balance with unpredictable behavior - and he seems indestructible.

After serving time, a defiant street thug is incensed to find his town overrun by two yakuza factions. He gathers his crew and takes them on.