阿沾（黄霑）是靠老婆（沈殿霞）发家的某家公司的总经理，他虽然非常怕老婆，却时刻琢磨着背着她偷点腥。看上风情万种的贫女阿凤（李美凤）后，阿沾以高薪诱惑她，双方讲好一夜情人之后阿凤进入阿沾公司做高级公关，不想紧要关头阿沾老婆打来一通电话，沮丧的阿沾要阿凤先去公司做事，以后再找机会行欢。阿凤刚入公司便招来一帮男同事大献殷勤，王小强（钟镇涛）虽也对她爱慕不已，却由于性格木讷老实，学不来同事们的那一手。阿沾几次借工作之便想与阿凤发生关系，都被老婆无意间破坏，王小强也无心插柳有了许多次与阿凤单独相处的机会，两人情感渐渐升温。阿凤在与王小强柔情蜜意之时听闻他最憎拿身体换取钱和利的女人时，心头一紧，而阿沾从没放松对阿凤肉体的追求。

座头市在过一座悬桥的时候，无意中致使一老太太死亡。后来处于负疚之心，座头市去妓院把老太太的女儿赎了出来，而该女人的情人为了得到她，联合一干恶徒以该女子为要挟，刺穿座头市双手，最后在极其恶劣、残酷的情况下双手残疾的座头市杀了恶人军团。这是该系列中最黑暗的一集，助人为乐的座头市差一点就把自己搭上了。另外，一个被抓回的妓女最后还是在妓院中不能脱身，以个小弟弟被恶人打死，他的姐姐抱着他尸体陈海。

Yoo-ra suffers from nightmares every night. One day she meets her high school friends. Jin-tae is a promising artist, In-seok is a chaebol and former thug, Hye-jin likes In-seok, and Seong-ho, who used to be In-seok's errand boy, finally meet up. Yoo-ra asks her friends if they remember the classmate that killed herself. Everyone is flustered and claims they don't.Yoo-ra goes to the bathroom, but passes out after seeing herself in the mirror. Everyone gets in In-seok's car to send Yoo-ra home, but they get into an accident and all become unconscious. When they wake up, they are at a familiar school that's closed. It was the school they went to that has closed down.Why did they end up there? Yoo-ra and her friends tremble in fear for their lives...

1966年，从新加坡返回香港想忘掉过去的周慕云（梁朝伟 饰）住进东方酒店的、同他曾经熟悉的数字2046只差一号的2047号房，开始了他的卖文生涯。眼前、曾经在他身边出现过的一个个女人（章子怡、王菲、张曼玉、刘嘉玲等 饰）经过他大脑的过影后，令他对时空产生疑惑，不但忘不了过去，一幕幕往事反而更加挥之不去。为了与过去作更好的告别，他将生活的点点滴滴化为文字，写下小说《2046》（说只要搭上了前往2046的列车，人们就可以找回失去的记忆）。