『高校(xiao)長白潔』介紹:美國的(de)(de)(de)“殺(sha)(sha)(sha)手(shou)(shou)壕”格(ge)斗比(bi)賽(sai)(sai)(sai)(sai)(sai)即(ji)(ji)將拉開(kai)帷幕,兩支(zhi)芝(zhi)加(jia)哥地(di)區的(de)(de)(de)黑(hei)幫(bang)(bang)(bang)都意欲在比(bi)賽(sai)(sai)(sai)(sai)(sai)中勝出,而其中一(yi)(yi)方的(de)(de)(de)王牌選手(shou)(shou)——殺(sha)(sha)(sha)人王李呼聲(sheng)頗高。青年阿龍(long)(long)(long)(long)(成龍(long)(long)(long)(long) 飾)一(yi)(yi)家(jia)(jia)在芝(zhi)加(jia)哥經(jing)營飯店,龍(long)(long)(long)(long)父遭黑(hei)幫(bang)(bang)(bang)勒索,阿龍(long)(long)(long)(long)出手(shou)(shou)趕跑惡人反被(bei)父親抱怨,原來龍(long)(long)(long)(long)父一(yi)(yi)直(zhi)不滿阿龍(long)(long)(long)(long)跟(gen)自己弟(di)弟(di)學習(xi)武術,斥之不務正業,要求他(ta)(ta)向做了(le)醫(yi)生的(de)(de)(de)長子學習(xi)。阿龍(long)(long)(long)(long)教訓(xun)惡徒的(de)(de)(de)經(jing)過被(bei)黑(hei)幫(bang)(bang)(bang)二(er)代當家(jia)(jia)彭看見,彭有意令(ling)阿龍(long)(long)(long)(long)為他(ta)(ta)們(men)出戰(zhan)殺(sha)(sha)(sha)手(shou)(shou)壕比(bi)賽(sai)(sai)(sai)(sai)(sai),彭所在黑(hei)幫(bang)(bang)(bang)隨即(ji)(ji)毆打阿龍(long)(long)(long)(long)好(hao)友(you),并(bing)綁架了(le)阿龍(long)(long)(long)(long)沒過門的(de)(de)(de)嫂子要挾他(ta)(ta)與殺(sha)(sha)(sha)人王戰(zhan)斗。阿龍(long)(long)(long)(long)和叔叔救人失敗(bai),無奈只得刻苦訓(xun)練(lian),代表彭一(yi)(yi)伙(huo)參加(jia)比(bi)賽(sai)(sai)(sai)(sai)(sai)。阿龍(long)(long)(long)(long)在比(bi)賽(sai)(sai)(sai)(sai)(sai)中連戰(zhan)連捷,在他(ta)(ta)和殺(sha)(sha)(sha)人王的(de)(de)(de)終極決賽(sai)(sai)(sai)(sai)(sai)之時,彭卻出賣了(le)他(ta)(ta)……