In L.A. the son of a vegetable vendor avoids joining an all-Korean gang called the Tigers and instead falls in love with Lily, the sister of the leader of the all-Chinese gang called the Lions.
Tony, the new kid at school, befriends gang leader Young, whose top rival is Chan. When Young defeats Chan in battle, two mysterious men offer Tony and Young jobs at a security agency, with one of their new clients being among the city's most notorious drug dealers.
After witnessing the brutal murder of his mother, Ma-ryong grows up intent on revenge and sets out to become a master of martial arts. When Ma-ryong kills his mother’s murderer, Il-pyung, the son of Ma-ryong’s enemy, seeks a master to learn how to fight. Ma-ryong and Il-pyung form a bond as master and apprentice leading to an inevitable showdown.
Mang-wol, a master of martial arts, has doubts about the life he has led. Taking Yong, the son of Pak who he had nearly killed in a fight, Mang-wol disappears. As time passes, Mang-wol teaches Yong martial arts. Yong becomes an adult. He goes into the city to get medicine for Mang-wol. Yong runs into Nan-si, a woman of the Shaolin training hall, who takes all his gold. Yong is unable to defeat Paeng's fighting skills but Mang-wol saves him from his predicament. Paeng knows that Mang-wol is the enemy who killed Yong's father. Paeng searches out Mang-wol. Yong deceives Mang-wol and goes to see Nan-si. Yong becomes the manager of the Shaolin Hall but Paeng cruelly beats him up and Yong returns to Mang-wol. Mang-wol tells Yong the truth about his past and dies in a fight with Paeng. Yong practices the new fighting technique he's developed and fights Paeng.
Ha Ki-Ryong, an executive of the Korean independence army, is killed by Taeaming, a spy of Japanese Special Investigation Bureau, and Ha's daughter, Ye-Sim, and Cheol are tracking Taeaming. Ye-Sim is taken as a hostage. Dong-Shik and Cheol falls is a trap by Hwang, an old boatman, then arrested. Taeaming joined Oosima's party near Ko-San, wrestling over a code book. When the Japanese army gathers to execute Ye-Sim and Cheol, the Korean independence army attacks them. Hwang is a commander of the Koran independence army. Finally, Taeaming is killed and Dong-Shik finds the code book.
