美国黑帮份子Ken因藏有黑帮犯罪证据,欲作警方污点证人而被黑帮追杀。逃回香港,结识港之黑帮鹿川。而这时美黑帮收买港黑帮鹿川携手一齐追杀Ken,欲杀Ken灭口幸好Ken已察觉,反置鹿等于死地。鹿川妹妹西协来港为兄报仇,并以Ken之妹妹为人质要挟Ken,在危急时刻阿胜等及时赶到,救出Ken,拘捕了西协等匪徒。Martial arts adventure about a tough FBI cop (Cynthia Rothrock) high-kicking her way to the final showdown with a Chinese Mafia boss.