叶问(甄子丹 饰)(🏽)携家(🍩)眷来(lái )到香(🕋)港,艰难(🛍)度日。叶(🤴)问开武(🔧)馆宣扬咏春(chūn )拳术,但(🔬)无人(rén )问(wèn )津(jīn )(🥩)。某日,黄(🌫)梁(liáng )(黄晓(xiǎo )明 饰)登(📼)门拜访,比武之(🔸)后,甘愿(🗄)携一班(bān )兄弟,拜(bài )在叶问(🥄)门(mén )下。黄梁因故与洪(hóng )拳门下(🗑)斗殴(ōu ),结(jié )(🙁)果被(🚸)捉。叶问(🥀)来(lái )救,却巧(qiǎo )(🤷)遇(yù )昔(xī )日对(duì )手金(📎)山找(樊少皇 饰)(⏯),两人(🔢)冰释前嫌,却不想被洪(💻)拳(🗞)掌门洪震南(洪金宝 饰)拦下(xià ),以致众(zhòng )人被警察(郑(zhèng )(🤷)则仕 饰)拘捕。洪震南提醒(xǐng )叶(yè )问,欲在(zài )香港开武馆,必须接受各大(dà )门派(pài )(💔)挑战。于是(🛎)叶问单刀赴会,最(zuì )终与洪(hóng )震南对(duì )决(🤷),不分(fèn )伯仲,叶问因拒绝缴纳会费,而遭到洪门寻衅滋事,以致(📸)武馆(🔷)被关(guān )。背地(🐞)里,洪震(zhèn )南替(tì )英国(guó )(🌂)警(jǐng )(🔙)察操持(chí )华洋比赛,但(🚡)始(shǐ )终未有报(🚽)酬,深感(👛)不平。拳击冠(guàn )军龙卷风来到(dào )中(👩)国(🧘),在(🤼)比赛(sài )(📬)现(✖)场中侮(wǔ )辱中国武术(⛴),打(❄)伤(💁)中国(guó )拳师。洪震南挺身而住,血溅现(🐱)场。为了中国武术的荣誉,叶(🛌)问接受了龙卷(🐇)风的挑衅,为(wéi )民(mín )族大义(🎁)而战……