The Shimazu Clan's internal conflict over succession spirals into a full-blown war, pitting the traditional Miwa Clan, backing third-generation boss Tetsuo Sakuragi (Yasukaze Motomiya), against the Shinseikai faction led by former Saiko-komon Kippei Hagiwara (Kazuyoshi Ozawa), now aligned with the Ichio Federation. The feud escalates, engulfing Osaka’s two major yakuza factions and threatening to consume the entire region. In the midst of the chaos, Sakuragi takes an unexpected action to bring an end to the conflict…
Ryūmonji Seigō (Hitoshi Ozawa), leader of the Ryūmonji Clan and known as the 'Immortal Dragon,' occasionally leaves the yakuza world to run a coffee shop, helping troubled locals. When former cop Kakuta (Hiroyuki Watanabe) asks for help with a wire fraud case, Ryūmonji entrusts his men, including Kanbara (Yasukaze Motomiya), to deal with the criminals. However, a drug deal within the family is exposed, and Ryūmonji works to resolve it. As he investigates, more problems within the organization arise. “The Ryūmonji Clan must remain noble thieves—protecting the weak.” As his dragon tattoo comes alive, the legendary yakuza takes on modern-day evils!
Ryūmonji Seigō (Hitoshi Ozawa), leader of the Ryūmonji Clan and known as "The Immortal Dragon," leads a double life as "Hide-san," the humble master of a small café. Despite his fearsome reputation, he upholds the yakuza code of honor, solving troubles with his own hands. When Detective Kakuta (Hiroyuki Watanabe) tells him about scams targeting the elderly, Seigō orders an investigation, uncovering that someone within his clan is involved, along with illegal drug trades. “The Ryūmonji Clan must remain noble thieves—protecting the weak.” As his dragon tattoo comes alive, the legendary yakuza takes on modern-day evils!
Himuro and Tamura of the Kyowakai finally take revenge by taking down the perpetrator of Shibuya's murder. While he was pouring out his thoughts in front of a grave in Shibuya, Baba, who was supposed to have defected to the Kyojinkai, appeared. On the other hand, the Marukami-kai in the Kanto region will no longer be under pressure from politicians, and a conflict with the Kyowa-kai in the Hokuriku region will become inevitable.
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.