Reiji Kikukawa, who has a strong sense of justice, graduated from the police academy with the lowest score ever. He becomes a police constable, but is suddenly fired by the Police Chief due to "disciplinary" issues. In actuality, the firing is part of a carefully orchestrated plan. Reiji is ordered to become a "mole," an undercover cop. His target is Shuho Todoroki, the boss of the Sukiyakai gang. The group is the largest crime group in the Kanto area. Masaya Hiura, who works as a young boss of a Sukiyakai affiliated gang likes Reiji. While going through various hardships, Reiji works his way towards Shuho Todoroki.
Tôma Ikuta, Ken'ichi Endô, Mitsuru Fukikoshi, Kôichi Iwaki, Yûsuke Kamiji, Sergey Kuvaev, Sarutoki Minagawa, Riisa Naka, Ren Ohsugi, Takashi Okamura, Shin'ichi Tsutsumi, Takayuki Yamada