四个章幕： 针到命除 （Deadly Injection）：华亦佗（谷峰）是个江湖郎中，带着徒弟招摇撞骗，只要金针一只，针到病除。不料某次遇到一女童出水痘，竟说患杨梅疮，结果给了一针却针到命除，最后被街访处罚要徒弟背著童尸游街。 印钞票机 （Counterfeit）：富家女苏菲（邵音音）与安娜（丹娜）被一男子骗说有人发明了印钞票机，经过几次购物试验后，真的高价购买，结果印出来的却是白纸。 花柳医生 （Social Disease）：少妇曹丽珠（汪萍）到珠宝店买了批昂贵首饰，要珠宝店员工（康凯）到花柳医生曹济人那收帐，骗说是兄妹。结果员工不但收不到钱，还被抽了血。 我要官人 （Hire Purchase）：通用公司总经理（岳华）背着夫人（陈萍）与新来的业务主任（余莎莉）私通。后来发现被情妇骗了公司的钱，夫人还跟公司男职员有染。

本片包含了两个故事。 某贩毒团伙的老大发现近来的生意频出问题，派出手下老四（詹森 饰）、玲玲（李丽丽 饰）等人调查奸细，老四等人因此结识露易丝·黎（余莎莉 饰），安排露易丝勾引老大布下了局。老四将老大偷情的消息告诉大嫂，后者怒火攻心，服从老四等人的安排却导致老大人财两空；收古董的潘老海（李昆 饰）与妻子住在烟花柳巷，整日担心妻子被骚扰的潘老海防范甚严，又四处搜求春药期望笼络住妻子。是日隔壁搬来一位年轻人，潘妻与年轻人眉来眼去终于做成好事，二人为偷情安排神婆扯谎，令潘老海再也不敢近妻子的身……

Itinerant projection-equipment repairman Bruno Winter and depressed hitchhiker Robert Lander - a doctor who has just been through a break-up with his wife and a half-hearted suicide attempt - travel along the Western side of the East-German border in a repair truck, visiting worn-out movie theaters, learning to communicate across their differences.

A rape victim realizes that she enjoys sexual assault and continuously offers herself to various men while searching for her original rapist.

Two restaurant employees begin a sexual killing spree after they accidentally kill a hitch hiker and find that murder and mutilation is their mutual aphrodisiac.

A shiftless resident in a boarding house spends his days crawling in the attic and spying on the renters below. One day he spies an elegant lady enter a room where a clown awaited her and watched as he pleasured her. But she spotted him watching and it aroused her more. Thus begins a story of two people who find they share similar desires and deadly passions.

Sisterhood is powerful. Before leaving for a mission in Africa, Runa, a nun, visits her sister three years after entering the convent when her sister stole Runa's boyfriend. Runa comes to forgive and to help her sister make enough money buying and selling some convent property so she can marry. The old boyfriend has new women in his life, but he and the sister tell Runa they're a couple in order to keep the property deal. To make even more money, Runa's sister wheedles large gifts from various men she's stringing along. There are flashbacks to Runa's sexual awakening at the convent. But what are her real reasons to close this deal?

Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.

Casanova is a libertine, collecting seductions and sexual feats. But he is really interested in someone, and is he really an interesting person? Is he really alive?

早期香港發生多宗駭人命案，引起公眾關注，《香港奇案之二：兇殺》以真人真事改編四個故事：「鬼頭仔」、「大家姐」、「臨村大血案」，與轟動一時的「紙盒藏屍」。編劇團以倪匡為首，扣人心弦的劇情引人入勝。擅長拍驚慄片的導演桂治洪，在「鬼」與「臨」故事中，殺人情節殘酷真實，拍出恐怖片的味道。看完四個兇案故事後，必定不寒而慄。

本片由三件真实案件改编。 《灶底藏尸》：珍妮带着哑女儿和前夫离婚后，与情人王荣生结合。岂料王荣生本是登徒子，在花光珍妮带来的财产后整日对母女俩恶语相向，在珍妮逃往澳门的当晚，两人再次发生口角，王荣生将珍妮打晕后一不做二不休……《血溅吊颈岭》：矿区工人蛮牛鸿的妻子与管工太子德勾搭成奸，蛮牛鸿为人木讷老实，直到妻子怀上了太子德的孩子，蛮牛鸿终于忍无可忍。《龙虎武师》：无业青年陈忠（罗烈 饰）经人介绍，做了片场的龙虎武师，大明星恬妮令陈忠一见倾心。不久陈忠结识了酷似恬妮的流萤阿红（恬妮 饰），为其拉起了皮条。陈忠自感没有帮派依靠的生活没有保障，随加入黑帮，拼斗后成为头目，然而他最器重的手下却和阿红有了私情……

年届不惑的老盖（野峰 饰）一生辛劳贫苦，为了赚钱养家辛苦受累，做着各种下贱工作，几十年来却一事无成。大女儿小红（葛荻华 饰）嫁给海员，并育有一子，但不久丈夫因海难而死，成为寡妇；次女小艳（陈萍 饰）与一富家子弟拍拖，结果被人搞大肚子后甩掉，无奈只得带着襁褓中的宝贝回家；小女儿小芬（林珍奇 饰）因家境贫苦，早早失学。苦于生计，老盖向放高利贷的龙姐，却无力偿还。在龙姐的逼迫下，老盖开设一家娼馆，三个女儿也被迫出卖肉体替父还账。珍爱的女儿们在自己眼皮底下卖身，个中酸楚惟有老盖一人得知。 光怪陆离的风月场，上演着几多人性悲剧……

1976 film by Masaru Konuma

1976 film by Tinto Brass