『黑(hei)蝴(hu)蝶』介(jie)紹:因(yin)家(jia)鄉年景不好(hao),青年鄭(zheng)(zheng)潮(chao)(chao)(chao)安(李小龍 飾)跟隨三叔遠赴泰國,鄭(zheng)(zheng)在當(dang)地(di)華(hua)(hua)工(gong)(gong)(gong)許(xu)劍(田俊 飾)的(de)幫助下,得到了一份(fen)冰(bing)廠(chang)的(de)工(gong)(gong)(gong)作許(xu)劍為(wei)人仗義(yi)好(hao)打(da)抱不平,時常卷入爭斗,鄭(zheng)(zheng)潮(chao)(chao)(chao)安雖也學(xue)得一身(shen)功夫,但礙于(yu)(yu)母親的(de)勸誡不能出手(shou)。華(hua)(hua)工(gong)(gong)(gong)們工(gong)(gong)(gong)作的(de)這家(jia)冰(bing)廠(chang)為(wei)牟取利益,在冰(bing)中藏匿毒品販運,不久(jiu),兩(liang)名華(hua)(hua)工(gong)(gong)(gong)因(yin)為(wei)偶然拾到了冰(bing)中的(de)毒品,被廠(chang)長(chang)(chang)和(he)老(lao)(lao)板殺(sha)害(hai),許(xu)劍向(xiang)老(lao)(lao)板要人,反被對方派眾(zhong)打(da)手(shou)于(yu)(yu)家(jia)中殘(can)忍殺(sha)害(hai)。工(gong)(gong)(gong)友(you)們尋找失蹤的(de)華(hua)(hua)工(gong)(gong)(gong)和(he)許(xu)劍無(wu)獲,于(yu)(yu)是(shi)罷(ba)工(gong)(gong)(gong)抗議,廠(chang)長(chang)(chang)和(he)監(jian)工(gong)(gong)(gong)們痛(tong)打(da)工(gong)(gong)(gong)人,鄭(zheng)(zheng)潮(chao)(chao)(chao)安仗義(yi)出手(shou),廠(chang)長(chang)(chang)畏(wei)懼(ju)升其(qi)(qi)為(wei)領導,眾(zhong)工(gong)(gong)(gong)人稱呼(hu)鄭(zheng)(zheng)為(wei)“唐山大兄”。老(lao)(lao)板方面見籠絡鄭(zheng)(zheng)潮(chao)(chao)(chao)安不成,殺(sha)害(hai)了所有(you)華(hua)(hua)工(gong)(gong)(gong),鄭(zheng)(zheng)潮(chao)(chao)(chao)安沖到老(lao)(lao)板家(jia)中,欲(yu)令(ling)其(qi)(qi)血債血償…