Dochinpira 3: One day, Shimoda of the Minato Shinkai gang, appears before Jin. He begs him to buy out his childhood friend, who works at a soapland, on his behalf. Although Jin refuses on the spot, Shimoda's unnatural behavior bothers Jin. Just then, a shooting happens involving the boss of the Hongo-gumi, which is in conflict with the Minato Shinkai. The gruesome image of the gunman, Shimoda, who was shot dead, is shown on television, along with an outline of the incident. However, behind this seemingly simple incident, an unexpected truth is hidden...