25 years ago, the Nagiri Brothers—once feared nationwide—lost their family’s backbone when their father, Tsuyoshi Nagiri (played by Kim Sunjin), was suddenly assassinated. “Even as yakuza, we never strayed from the path of humanity. Everyone in the Nagiri family is our comrade,” were the words their father left behind. Carrying on his will, the second son, Kaname Nagiri (Choi Chul-ho), took over the Nagiri-gumi. However, just as the ex-Nagiri member-turned-politician Masashi Fukuzawa (Koichi Miura) is preparing for an election, and Danba Takeshi (Daisuke Nagakura), head of the Tanba-gumi under the same Doushinkai syndicate, is released from prison, a violent incident breaks out—triggered by the drug trade. When their youngest brother Minato (Seiji Fukushi), a respected figure in Osaka, falls into danger, the eldest, Shun Nagiri (Yoshiyuki Yamaguchi), steps in to save him. The brothers reunite and head to Kaname’s side—just as he’s about to clash with their former allies…