Kenichi is a half-Japanese, half-Chinese man of the underworld. You can sell him anything except children's organs. His domain is in Kabukicho, a gangland controlled by various Shanghai gangs intent on taking control. His former partner-in-crime, Fu-Chun, is rumored to have returned to Kabukicho, having fled years earlier after killing the number two of gangland boss, Yuan. Yuan wants to get even and attempts to do so by using Kenichi.

Brazilian-Japanese gangster Mario rescues his Chinese girlfriend Kei as she's about to be deported from Japan. Desperate to escape, he hides in Tokyo's booming Japanese-Portuguese community and seeks passage from the country from a Russian mobster. To meet his price, they hold up a bigtime drug deal between the Chinese Mafia and the local Yakuza.

歌舞伎町是日本的大型红灯区，中日混血儿刘健一是这里的一名黑道贩子。昔日惹事逃走的搭档富春突然回来，给他带来了杀身之祸。为了活命，他向歌舞伎町有实力的帮派求助。而突然出现的美女夏美扰乱了他的计划，这个谜一般女子满嘴谎言，但刘健一仿佛在她身上找到了自己的影子，虽然明知她就像颗炸弹，还是任由自己和她一起走向毁灭……