叶问(甄子(🤸)丹 饰)携家眷来到(dào )香港,艰难度日(👃)。叶问(wèn )开武馆(guǎn )宣(😍)扬咏春(chūn )拳术,但无人(🐀)问津。某日,黄(huáng )梁(黄(🤘)晓明 饰)登门(mén )拜(🍑)访,比武(🚗)之后,甘愿(➡)携(🏻)一班(bān )兄(xiōng )弟(🐨),拜在(🤷)叶(🃏)问门下。黄梁因(yīn )故与洪拳(quán )门下斗殴,结(🤔)果被捉。叶问来(🔤)救,却巧遇(yù )昔(👵)日对手金山找(樊(🏴)少(shǎo )皇(huáng ) 饰),两(liǎng )(👄)人(🐖)冰(bīng )释前嫌,却不想被洪(🏓)拳(quán )(🚽)掌门洪(hóng )(🔲)震(zhèn )(👛)南((😳)洪金宝 饰)拦(🐂)下,以致众人被警察(郑则(zé )仕 饰)拘捕。洪震南提醒叶(🔮)问,欲(🐈)在香港开(kāi )武馆,必(bì )须(xū )接受各大门派挑战。于是(🙅)叶(🛃)问(wèn )单刀赴(🎞)会,最终与(👆)洪(hóng )震南对(duì )(🗒)决(jué ),不分(fèn )伯(bó )(🎆)仲(⛎),叶问因拒绝缴(👔)纳会费,而遭到洪(hóng )门寻衅滋事(shì ),以致武馆被关。背地(dì )里,洪(📸)震(zhèn )南(nán )替(👅)英国警察操持(chí )(🔂)华洋(yáng )比(🏉)赛,但始终未有报酬,深感不(bú )平。拳击(jī )冠军龙卷风来到中(zhōng )国(guó ),在比赛现场中侮辱中国武术,打(dǎ )伤中国(💓)拳师。洪震(zhèn )南挺(🌟)身(shēn )而住,血溅现(🌥)场。为(🥘)了中国武术的荣誉(yù ),叶(yè )问接受了龙卷风的(de )(🐊)挑(📻)衅(🏈),为民族大义(yì )而战(💙)