『第二(er)書(shu)包辣網』介紹:美國的(de)(de)“殺(sha)手壕(hao)”格斗比(bi)賽(sai)即(ji)將拉開帷幕(mu),兩支芝加哥地區的(de)(de)黑幫(bang)(bang)都意(yi)欲在(zai)(zai)比(bi)賽(sai)中勝出(chu),而其(qi)中一(yi)方的(de)(de)王(wang)牌選手——殺(sha)人(ren)王(wang)李呼聲頗高。青年(nian)阿(a)龍(long)(long)(long)(long)(成龍(long)(long)(long)(long) 飾)一(yi)家(jia)在(zai)(zai)芝加哥經(jing)營飯(fan)店,龍(long)(long)(long)(long)父遭黑幫(bang)(bang)勒索(suo),阿(a)龍(long)(long)(long)(long)出(chu)手趕(gan)跑惡人(ren)反被(bei)父親抱怨(yuan),原來龍(long)(long)(long)(long)父一(yi)直不滿阿(a)龍(long)(long)(long)(long)跟自己弟弟學習(xi)武術(shu),斥之不務正業(ye),要求他(ta)向做(zuo)了醫(yi)生的(de)(de)長(chang)子學習(xi)。阿(a)龍(long)(long)(long)(long)教訓惡徒的(de)(de)經(jing)過被(bei)黑幫(bang)(bang)二(er)代當(dang)家(jia)彭看見(jian),彭有意(yi)令阿(a)龍(long)(long)(long)(long)為他(ta)們出(chu)戰殺(sha)手壕(hao)比(bi)賽(sai),彭所在(zai)(zai)黑幫(bang)(bang)隨(sui)即(ji)毆打阿(a)龍(long)(long)(long)(long)好友,并(bing)綁架了阿(a)龍(long)(long)(long)(long)沒過門的(de)(de)嫂子要挾(xie)他(ta)與殺(sha)人(ren)王(wang)戰斗。阿(a)龍(long)(long)(long)(long)和(he)叔(shu)叔(shu)救人(ren)失(shi)敗,無(wu)奈只(zhi)得刻苦訓練,代表彭一(yi)伙參(can)加比(bi)賽(sai)。阿(a)龍(long)(long)(long)(long)在(zai)(zai)比(bi)賽(sai)中