Himuro is arrested on suspicion of assault. To prove his innocence, members of the Yamazaki Ichimon scramble to locate Ito—the older man Himuro once helped (Hiroo Otaka), who could serve as a key witness. Meanwhile, Tamura visits a certain hospital, where he is suddenly attacked by a man. After a fierce struggle, Tamura is arrested by police who rush to the scene. With the Kyowakai cornered and both Himuro and Tamura in jeopardy, the Yamazaki Ichimon splits up to continue their desperate search. Their efforts eventually lead them to Naomi (Saki Kiyoi), the daughter of Ito. As the investigation progresses, it becomes clear that the incident is tied to a gold smuggling operation. Just as the truth begins to surface, Naomi is kidnapped by the smugglers. The shocking mastermind behind the smuggling ring turns out to be an international spy organization. Can the Yamazaki Ichimon rescue Naomi—and clear both Himuro and Tamura of all charges?!

Tang Ren and Qin Feng travel to Japan to investigate the death of a mafia head. As they suspect foul play, they engage in a battle of wits against foreign detectives.

Not a lot of people know that one of the most talented and ruthless Mahjong players in the city is a young high school boy. Kei is a teenager of few words, but his observation skills, unwavering will and experience in the game allows him to survive in a world full of powerful, rich and dangerous characters.

Kyowakai headquarters chief Yuto Tamura (Yamaguchi Yoshiyuki) seeks to settle accounts for his underling Tora, injured by the Toryukai. But the Toryukai enlists Diet member Kadowaka (Kato Kei) as mediator—only for his greed to be instantly exposed by underboss Renji Himuro (Motomiya Yasukaze), who seizes on Kadowaka’s weakness. Suddenly, masked assailants strike both Himuro and Tamura. Tamura corners one of them, but a terrified young girl (Yakuwana Tsumi) distracts him, letting the attackers slip away. Meanwhile, rogue member Shigeru Fujita (Yokoyama Ryo)—who defied both Tora and Toryukai boss Higashino—arrives in Kobe, intent on revenge against Tamura. To rein him in, the Sakota-gumi dispatches underboss aide Hayashi (Namioka Kazuki). As Tamura hunts the mysterious assailants alone, the image of the girl lingers, pulling him back to where it all began…

Before Yamato-kai headquarters chief Yuto Tamura (Yoshiyuki Yamaguchi) stands political group member Natsuki (Yoshida Metal). Meanwhile, Funabashi (Nishimoto Tatsuki) attempts to kidnap Yui (Yakuwana Tsumi) from a park. Though Tamura hears Yui’s desperate screams, Natsuki’s relentless assault prevents him from rushing to her aid. Yui is dragged away along with her mother, Akemi (Matsuoka Rina). Believing that Hayashi (Namioka Kazuki), underboss aide of the Sakoda-gumi, is behind the string of incidents, Tamura storms into the hotel where Hayashi is staying. Pressing a gun to his face, Tamura demands answers—but just then, Renji Himuro (Yasukaze Motomiya) appears. To Tamura’s shock, Himuro’s fist comes crashing down…

A series of resident disappearances occurs at a Kyowakai-owned apartment in Kabukicho, Shinjuku, home to many people with complicated backgrounds. Nakajima (Yoshimi Tachi) volunteers to investigate, and Tamura (Yoshiyuki Yamaguchi), uneasy about sending him alone, orders Saito (Katsuya) to accompany him. Despite searching Kabukicho, they find no solid leads. That night, Saito recalls a rumor about the “Kabukicho kidnappings” from 20 years earlier, told to him in prison by Wang (Weng Huarong), and reaches out to him. Meanwhile, Nakashima heads into Kabukicho alone under the guise of patrol, hiding a personal motive. Just then, an unknown number calls Nakashima’s phone…

Ryuji (Tatsuya Kishida), inspired by Kawakami’s (Tatsuya Nakazawa) coolness, comes to admire him deeply. Kawakami, however, feels uneasy around Ryuji, burdened by a past trauma inflicted by a certain man. Himuro (Yasukaze Motomiya), Tamura (Yoshiyuki Yamaguchi), and Saito (Katsuya), who know Kawakami well, sense something is wrong. Their fears prove true when Kawakami reunites with his old nemesis, Apollo (Tomohisa Yuge). Convinced that Kawakami is Yokohama’s strongest, Ryuji becomes obsessed with forcing a one-on-one fight between Kawakami and Apollo. Can Kawakami finally overcome his past trauma…?

The Yamazaki Ichimon, gathered as usual at Himuro’s (Yasukaze Motomiya) office, pushes to expand the Kenyukai office for more comfort. Ishizawa (Hiroto Honda) finally decides to buy a building, but Yamamura (Kenta Kawasaki), tasked with securing funds, hesitates. Just then, Ishizawa receives a call from one of his twin sisters, Arisa, showing an unexpectedly gentle side—until his expression suddenly hardens. Claiming it’s an emergency, Ishizawa reveals the truth: his other twin sister Marisa (Marina Mizushima) is simply crying after a fight with her boyfriend. Brushed off by his doted-on sister, Ishizawa asks Yamamura to check on her instead. Meeting Marisa in secret, Yamamura learns about her relationship with Tommy (Ken Mizorogi)—only for Ishizawa to erupt, insisting Tommy is a dangerous killer, sending the situation spiraling fast…

Himuro (Yasukaze Motomiya), Tamura (Yoshiyuki Yamaguchi), and the Yamazaki family arrive in the northern land of Hokkaido. Before their arrival, Shimotsuka (Shinya Owada), the chairman of Shimotsuka Foods, had come to the Yamazaki family chairman Kawatani (Hitoshi Ozawa) in Kobe to consult about Hokkaido branch manager, Nishino (Takaaki Ito), who has been shot by an unknown assailant.

Nakajima (Yoshimi Tachi) returns to the office for the first time since the end of the self-isolation period. He urges everyone to sanitize and keep social distance, but the other members act like nothing’s changed. Unable to hide his frustration, Nakajima is further thrown off by Himuro (Yasukaze Motomiya), who also seems completely unfazed. In the midst of this, a letter arrives for Himuro—from Hayato Omiya, currently serving time in prison.