『色老二導航』介(jie)紹:大俠(xia)霍元甲頭七之日(ri),日(ri)本(ben)虹口武(wu)(wu)道場(chang)翻譯胡恩(魏平(ping)澳(ao)飾(shi)(shi))受(shou)鈴(ling)木(mu)寬(橋本(ben)力飾(shi)(shi))委派,帶(dai)人(ren)上精武(wu)(wu)館挑釁(xin)。霍元甲五弟(di)子陳真(zhen)(zhen)(zhen)(李小龍飾(shi)(shi))不(bu)堪其(qi)辱(ru),孤身(shen)赴(fu)武(wu)(wu)道場(chang)應戰,大敗數十人(ren)。鈴(ling)木(mu)寬大怒(nu),派人(ren)打砸精武(wu)(wu)館,并(bing)限三天(tian)交出(chu)陳真(zhen)(zhen)(zhen)。為保陳真(zhen)(zhen)(zhen)性命,大師(shi)兄(田(tian)豐飾(shi)(shi))命令(ling)陳真(zhen)(zhen)(zhen)離開上海。當夜,陳真(zhen)(zhen)(zhen)意外(wai)發現師(shi)父被毒害的線(xian)索,盛怒(nu)之下手刃兇(xiong)手(黃宗(zong)迅飾(shi)(shi))及其(qi)內應(韓(han)英(ying)杰飾(shi)(shi)),并(bing)決定挖出(chu)幕后主使……