The Kanto Mutsumo-kai, one of Japan's foremost gangster organisations, is under the dictatorship of Sugo, the third president of the Ryujin clan, and Saito, its president. Toraji (Ozawa Kazuyoshi), who rebelled against this dictatorship but was unsuccessfully insulated and expelled, is picked up by his uncle Ryuzo and joins the Takematsu Rengokai. Toraji recruits a group of local delinquents headed by Hiroshi Maeda (Yasukaze Motomiya) into his ranks and begins a guerrilla war against the Kanto Rikukai-affiliated Yoshinin-kai. The two expand their power, but Toraji begins to dabble in stimulants and gradually goes berserk. An assassination plot is hatched against Toraji, and Hiroshi tries to stop it.

Newly appointed 7th-generation head of the Takematsu Union’s Kurumaya faction, Atsumi Toraji (Kazuyoshi Ozawa), recklessly squanders drug money on partying and harms Noboru, the underling of his sworn brother Hiroshi (Yasukaze Motomiya), ignoring the pleas of Hiroshi and Sakura (Yuma Asami). Despite growing resentment among Hiroshi’s men, Hiroshi can’t abandon Toraji, his elder brother-in-arms. But when Toraji causes an incident, the third-generation head of the Tago family, Dazai (Ryuji Harada), severs ties with Kurumaya. Hiroshi rushes to apologize but is turned away. Enraged by Hiroshi’s actions, Toraji expels him and his men. Now alone, Toraji begins to put a mysterious plan into motion...

As the power of the Tokugawa Shogunate becomes firm, Hattori Hanzo struggles against Sarutobi Sasuke and Sanada Yukimura. At the same time, Sasuke and Yukimura are plotting a new trick with the Satsuma clan ....

Maika, a pregnant woman, is running along a farm road at night with nothing but her clothes on her back. Her beaten face is discolored, one eye is swollen, and she is bleeding from the edge of her mouth. The headlights of a car approaching from behind frightens Maika, and she loses her balance and falls. Just as she is about to get up, her cell phone rings. It's a call from Masayoshi, her abusive husband. Out of fear, Maika knocks the phone to the ground and breaks it. Slowly, she picks herself up and continues walking down the street at night. She arrives at a love hotel hidden in the suburbs of a provincial city.

Sakamoto Toshiya (Kawahara Hideyuki), a young assistant head of the Yamashinkai, is imprisoned himself after his partner is killed in a feud with the Takahara family. When Sakamoto was released from prison eight years later and returned to the Yamashinkai, the organization was already under the control of the Takahara family and was involved in the sale of shabu, which was a taboo practice. Sakamoto tries to rebuild the organization with Yamahashi and his subordinate, Asada, but the Takahara family spots him and the chairman, Hirano, excommunicates him.

After taking out Sakashita, head of the Sakashita-gumi in Fukui, Himuro (Yasukaze Motomiya) learns from Kawatani (Hitoshi Ozawa) that the true mastermind behind the attack on Kyowakai Chairman Kudo (Hakuryu) is Fukumoto (Keiji Matsuda), the second chairman of the West Japan Mutsumikai. Kyowakai formally declares war on the West Japan Mutsumikai. Under Kawatani’s orders, Himuro and his men move to bring Nagoya and Gifu, Kyoto, and Hokuriku under Kyowakai control. However, Toki, head of the Toki-gumi, who rules Gifu, learns that the killing of his sworn brother Sakashita was the work of Kyowakai—and begins resisting them.

Not long after the end of the Tohoku conflict, Kyowakai Chairman Kudo (Hakuryu) is attacked. He narrowly survives, but soon after, Himuro (Yasukaze Motomiya) is also shot by a hitman. Thanks to a counterattack led by Tamura (Yoshiyuki Yamaguchi) and the others, the assailants are captured, revealing that the attack was ordered by Sakashita, head of the Sakashita-gumi in Fukui, a group connected to the West Japan Mutsumikai. Seeking revenge, Kawatani (Hitoshi Ozawa) takes the lead in preparing Kyowakai for a full-scale war against the West Japan Mutsumikai, mobilizing the entire organization. However, Kudo intervenes and orders a withdrawal from Fukui.

Having been appointed Wakagashira, Himuro Renji (Yasukaze Motomiya), head of the Yamazaki-gumi of Kyowakai, moves forward under the Kyowakai crest alongside fellow newly promoted assistant Wakagashira Tamura (Yoshiyuki Yamaguchi), aiming for the unification of the Japanese yakuza world. Meanwhile, a dispute breaks out in Aomori between members of the Kyokuzankai in Tohoku and the Kanto-based Marugami-kai, resulting in the death of a Kyokuzankai member. The incident casts a dark shadow over both sides, pushing tensions to the brink of conflict. Seeking to avoid an all-out war, Kyokuzankai executive Ueki (Daisuke Nagakura) asks Himuro to mediate. Himuro enters negotiations with Munakata (Takanori Kikuchi), assistant to the Marugami-kai chairman. As yakuza across Japan watch closely, what decision will Himuro make…?

Himuro (Yasukaze Motomiya), assistant Wakagashira of Kyowakai, joins Tamura (Yoshiyuki Yamaguchi) and other Kyowakai executives to track down Fukumoto, chairman of the West Japan Mutsumikai, the mastermind behind the assassination plot against Kudo (Hakuryu), Kyowakai’s chairman. Himuro and his men infiltrate the meeting site, preparing to eliminate Fukumoto—but Yashiro, head of the Yashiro-gumi, pretends to cooperate while secretly leaking information to the Kudo-gumi. Seizing the opportunity, Zaizen, assistant Wakagashira of the Kudo-gumi, makes his move—not against Fukumoto, but against Himuro himself. Meanwhile, Kawatani, Kyowakai’s Wakagashira, is delivered a shocking revelation by Kudo.