1950年,大(dà )批武(wǔ )师进(jìn )入香(📒)港开设(🍩)拳馆,其(qí )中叶问(唐文龙饰)竟(🎺)无(wú )一败绩名气大涨(🌰),引起九龙城寨现(😧)寨(zhài )主郑德隆(林枫烨(🌗)饰)的注意(yì ),郑(⚫)德隆(lóng )恐(🔸)叶(yè )(👑)问(wèn )对自(🗄)己产生(🕖)威胁,就(💆)将方家灭门案栽赃(zāng )在叶问(wèn )身上,想借警察之手除(🚸)掉(diào )叶问。突现神秘人救出了(⏺)叶问(wèn )(🌙)。叶问为自(zì )证(zhèng )清白带着(⏯)徒弟阿民阿强(qiáng )闯入九龙城寨地界(🗞),谁承(🔝)想城寨内早以埋伏(fú )(🙄)无数高手,叶问(wèn )(🎾)能否(🈴)顺利(lì )将郑(zhèng )德隆(🧤)绳(🔔)之于法(🕙),还自己一份清白!