In Los Angeles, an ex-con takes the underground fighting world by storm in his quest to fulfill a promise to a dead friend.

In 1923, teenager Kim Shun-Pei moves from Cheju Island, in South Korea, to Osaka, in Japan. Along the years, he becomes a cruel, greedy and violent man and builds a factory of kamaboko, processed seafood products, in his poor Korean-Japanese community exploiting his employees.