三十年代上(shàng )海(hǎi )(✒)闸北区(📼),两大黑(🍩)帮“青龙帮”与(yǔ )“黑龙帮”势不两立(🎗),为争长短(🛤),各出奇谋。“青(qīng )龙帮”首(shǒu )(🌫)领川图巴(🎏)结军阀以助(📼)声(shēng )势,“黑(🐿)龙帮”头(tóu )目魂(hún )为挫(cuò )川锐(🕯)气,重金(jīn )(✳)礼聘过(guò )(🛹)气枭雄凌(líng )(🐖)锋及(jí )其女儿凌若华((🍮)郑(zhèng )裕玲(😻))设(🖍)计令川出(🕕)丑(chǒu )。川则纳浪子(⏺)欧阳汉(周润发(🥁))于门下,使汉(🖲)与(🔢)华纠缠,令(🎛)华分心。 汉与华冤家(jiā )路窄,华用(yòng )尽办法捉弄川(💪),均被(bèi )汉(hàn )一一化解。汉华相(xiàng )斗,引起巡捕萧六(吕良(liáng )伟)注意,六(🤖)嫌汉(🕯)油(🌮)头粉面,常借故为难,两人遂(suí )对(duì )立(lì )(🚗)。川(🦇)与六同恋上(shàng )歌女韩梦(👪)蝶(dié )(姚(🃏)炜),奈何蝶倾(qīng )心(💯)于汉(hàn ),川得悉后心生恨意。川派杀手对付(💏)锋(📸)华父(fù )女,锋(💸)因(🥅)而丧命(🏃),华重(🚲)伤但幸为六所救。川利用与(yǔ )警察局(📞)长之关系令六(liù )几(jǐ )陷于绝境(jìng ),六(liù )后得汉暗中相助(zhù ),化险(🤼)为夷。 华(huá )在(zài )养伤期(qī )间,对汉之为人(rén )更为(👅)了(🈳)解,渐萌爱意。时日(rì )本(🐱)派(pài )遣大佐来沪密谋活动(dòng )。大佐(🛌)原(yuán )为蝶(dié )之生(shēng )父,怂恿蝶(dié )(🏗)向(xiàng )川(🗒)进(🏆)言,川不惜卖国求(🐸)荣(róng )(🍈)。六向汉晓(xiǎo )以(🈺)大义,汉亦对川(chuān )的卑(🍗)鄙行径齿冷,决与六(🐼)连手(shǒu )对付川,一(yī )...