『補(bu)課老(lao)師讓我爽了一夜(ye)』介紹(shao):九紋(wen)龍(long)(long)(long)(鄭伊健飾(shi))曾經叱咤江(jiang)湖,這號風云人物卻被人出賣,在泰(tai)國被拘捕。多年后他(ta)(ta)回到(dao)香港,在“九龍(long)(long)(long)冰(bing)室”當侍應,打(da)算就此在江(jiang)湖銷聲匿跡。怎(zen)料(liao)一名6歲的(de)(de)(de)男孩直呼自己爸爸,原(yuan)來這個叫兆龍(long)(long)(long)的(de)(de)(de)男孩是當年他(ta)(ta)遠(yuan)赴泰(tai)國后女(nv)友Helen(莫(mo)文蔚飾(shi))生(sheng)(sheng)下的(de)(de)(de)兒(er)子。當年紋(wen)龍(long)(long)(long)為了女(nv)友的(de)(de)(de)安全,狠心不(bu)辭而(er)別。兆龍(long)(long)(long)的(de)(de)(de)出現使(shi)紋(wen)龍(long)(long)(long)的(de)(de)(de)生(sheng)(sheng)活再(zai)次(ci)(ci)泛起波瀾,他(ta)(ta)的(de)(de)(de)氣質吸引的(de)(de)(de)兒(er)子的(de)(de)(de)班主任阿蒙(李彩(cai)樺飾(shi))。紋(wen)龍(long)(long)(long)的(de)(de)(de)身份(fen)還(huan)是被江(jiang)湖之人發現了,并希望他(ta)(ta)能(neng)重振雄風。Helen再(zai)次(ci)(ci)見到(dao)的(de)(de)(de)紋(wen)龍(long)(long)(long)已經風光不(bu)再(zai),她積(ji)極為紋(wen)龍(long)(long)(long)的(de)(de)(de)復出鋪路,紋(wen)龍(long)(long)(long)卻不(bu)想(xiang)再(zai)過問(wen)江(jiang)湖事……