In 1940s, Wudang Baimei Clan’s master Feng Si tries to make his daughter Ying-Mei marry his senior’s son Lu Peng-Fei, but Ying-Mei has pledge to marry Dai Liang-Chi from their adversary clan, Shaolin Clan. Peng-Fei has a showdown with Liang-Chi and get killed. 20 years after, the grudge between the two clans remains, before it ends in the ring of a Thai boxing contest.