由于匪徒劫持，亚洲一对双胞兄弟刚出生即遭分离。弟弟玩命（成龙）被舞女捡到抚养长大，亚洲终日浪迹于社会底层，为帮朋友泡妞，他结识了歌女芭芭拉（张曼玉），因此得罪黑社会；哥哥马友（成龙）被一对有钱夫妇带去美国，接受了良好教育长为著名音乐家，回港开音乐会时，结识世伯家的女儿唐心（利智）。阴差阳错中，两人互换角色进入对方生活，由于大家分不清谁是马友谁又是玩命，笑话迭出，芭芭拉与唐心的心思也渐起变化。音乐会上，玩命胡指乱挥不想大获成功，而马友在黑帮威逼下，开车去救被黑帮抓做人质的玩命的好友泰山，随后，两兄弟开始连手共斗强敌。
回复 :丹尼尔（萨米·纳塞利）度过了披萨快递员的最后一天，做起了出租司机。然而在他看来，出租司机并不是他真正的职业，他是名真正的快车手。因为超车被罚，丹尼尔结识了警察艾米（佛瑞德瑞克·迪分索）。艾米考了八次驾照都没通过，工作里捅漏子，情场上没胆量，连烧水都能引起火灾，总之是个把一切都搞砸的笨蛋。此时艾米正为一伙德国劫匪头疼，丹尼尔为了要回驾照，只好帮艾米调查案件。事实证明他的快车天赋刚好派上用场，劫匪最终被他引入进退两难的陷阱。
回复 :汤姆琼斯（阿尔伯特·芬尼 Albert Finney 饰）本为私生子，后被一绅士收养，他天性热情奔放，模样又生得风流俊朗，庄园主的女儿索菲亚（苏珊娜·约克 Susannah York 饰）同他坠入情网，后遭到表弟比菲尔（大卫·沃纳 David Warner 饰）的插足干涉，一番纠葛之后，声名狼藉的汤姆琼斯决定离开家乡，去外面的世界寻找属于自己的天地。汤姆离开后没多久，伤心的索菲亚便也踏上了旅途，两人在缘分的驱使之下在一名女商贩的家中重逢了。之后，比菲尔亦来到了伦敦，想要报复汤姆。在比菲尔的阴谋筹划之下，汤姆被送上了绞刑架，就在即将行刑的生死攸关的时刻，索菲亚的父亲及时赶到，破解了比菲尔的阴谋，挽救了汤姆的性命。
回复 :Ray 'Harley' Davidson is a hustler. With flash clothes and a fast mouth, Harley lives life in the fast lane. With his passion for all things gambling, money runs like water through Harley's hands and as quickly as he makes a killing he takes a beating, normally at the poker table. Nominally an illegal prize-fight manager, Harley hasn't produced a live one in months, until Charles Buchinsky literally wanders into his life. Charles Buchinsky, street fighter extraordinaire. He's from out of town looking for a fight and the chance to tie up a few loose ends. Keeps himself to himself, lets his fists do the talking and his word is his bond. Victor Maitland, top illegal fight promoter and porn baron. Hates losing and loves the prestige of managing the best hitter in town. Harley dreams of bringing Maitland down and after seeing Buchinsky at work, engineers a fragile partnership...
