香(⛏)港九龙(lóng )(👃)区旺角混(hún )(🤲)混(🕙)阿杰((💠)刘(👺)德华)做(🎋)事利落重情义,颇有(yǒu )老大(dà )风范(🤘),为(❕)了照顾(💔)做事(shì )冲动又好面(🚗)子的小弟乌蝇(张学友),他(tā )不停(🌪)地(dì )(💅)在各种大小(xiǎo )麻烦中周旋(🙎),甚(shèn )(🎥)至不(bú )惜为乌蝇与黑道(dào )狠角色(💏)(万(wàn )(🥤)梓良)结仇。
阿杰表(biǎo )妹阿娥(张曼玉)前来旺角看病暂(zàn )住他家,两(liǎng )人慢(🕠)慢(💓)互生情愫,但因为(wéi )(🔀)担(dān )心自(😎)己的身份最终(zhōng )会(huì )给阿娥带(dài )来伤害,阿(ā )(🥡)杰选择了(🐔)将心事埋藏(cáng )。待阿杰明白(📩)真(zhēn )情(👐)抑压(☔)不住想对命运做番抵抗时,乌(wū )蝇(yíng )(📦)却再次(cì )因好面子面临生(shēng )命危(💻)险,于是一道(🎦)友情与爱情必选其(qí )一的难(nán )(🔉)题重又摆(bǎi )在(zài )阿杰面(🐋)前