The evil Dong Won has unbeatable kicking legs and proudly travels the land proving his expertise. But when a young man loses his foster parent to Won's deadly kick, he seeks out an old drunken master to learn a way to defeat the Master of the Leg.

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.