Think Again, Junpei

When George Tanner does business with high-ranking Yakuza Tono, Tono kidnaps his daughter, and George summons his old friend, private eye Harry Kilmer, to Japan to investigate.

Mikami, an ex-yakuza of middle age with most of his life in prison, gets released after serving 13 years of sentence for murder. Hoping to find his long lost mother, from whom he was separated as a child, he applies for a TV show and meets a young TV director Tsunoda. Meanwhile, he struggles to get a proper job and fit into society. His impulsive, adamant nature and ingrained beliefs cause friction in his relationship with Tsunoda and those who want to help him.

When Nick Davis leaves prison after one year in solitairy, he is hired to operate a forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia lead by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

A lethal assassin for a secret Chinese organisation, who sheds tears of regret each time he kills, is seen swiftly and mercilessly executing three Yakuza gangsters by a beautiful artist. She is captivated by the grace of his kill and later falls in love with him. An intense power struggle for the leadership of the Yakuza Clans ensues as they seek vengeance for the death of their leader.