Ko Lin kills the brother of Hung Lau, an outlaw. Hung Lau, in turn, kills Ko Lin's entire family, and goes into hiding to learn and master the "natural fist", the most deadly form of kung-fu. The final battle between the two sworn enemies is a dynamic duel to the death.
| Actor | Role |
|---|---|
 Elton Jeong Jin-HwaColin | Colin |
| RRyong WangNot listed | Not listed |
| NNatassia Jin Nu-RiNot listed | Not listed |
| JJeong Hong-gwonNot listed | Not listed |
| KKim Hag-JoonNot listed | Not listed |
| NNo Wan-RaeNot listed | Not listed |
| CChoi Jeong-IlNot listed | Not listed |
| JJang CheolNot listed | Not listed |
 Kuk Jeong-hwanNot listed | Not listed |