父母亡故的何俏俏（白百合 饰）得到同班同学李行（彭于晏 饰）加倍关怀，两人逐步成了一对青梅竹马的恋人。毕业前夕，李行向俏俏求婚，不料竟被她用“没有达到她想要的物质条件”为理由，狠心地拒绝了。双方在此前提下彼此立下“5年后若单身就结婚”的合约。俏俏远走上海，自尊心受挫的李 行则留在北京打拼。春去秋来，5年之后，俏俏满心以为痴情男李行依然记得当年的约定，两人可以再续前缘，怎料却得知李行要和自小在法国长大的白富美周蕊（吴佩慈 饰）结婚的消息。倍受打击又不甘心的俏俏只有求助于“无敌GAY蜜”毛毛（蒋劲夫 饰），准备联手把李行再次夺回来。到底李行和俏俏的感情在五年后是否还有回旋的余地？

Long out of circulation, Deep Throat Part II was conceived as a soft-core sequel to the highly successful Deep Throat. The film was written and directed by sexploitation virtuoso Joe Sarno and shot on 35mm in the New York City area in early 1973. It was released in the U. S. in early 1974 with an MPAA "R" rating and quickly disappeared; porn journalist Al Goldstien, writing in Screw, called it "the worst film I have ever seen." The existing U. S. version of the film now on DVD is bowdlerized; the Italian DVD release version contains the film's original soft-core sex scenes. There has long been an urban legend that the film was shot hardcore and that the hardcore sex scenes were "stolen" while the film was in post-production; this claim seems extremely dubious and director Joe Sarno himself has insisted in interview that only soft-core sex scenes were shot for the film. Deep Throat Part II is Linda Lovelace's second feature film (she only officially starred in three). A young Judy Tenuta (comedienne) has a walk-on cameo. The film is one of Sarno's rare comic efforts and contains an unusually polished soundtrack featuring tunes written by, among others, former members of Jay and the Americans.

安静的大房子内，小金丝雀正在自己的笼子内打盹。突然，房间传来了吵闹声，原来汤姆和杰瑞这对冤家又打了起来，他们一路追逐，砸坏了不少家具和器皿。终于，弱小的杰瑞被汤姆逼到绝路，眼看就要成为老对手的盘中之菜。在这关键时刻，金丝雀见义勇为，拆掉了笼子的底座，结果汤姆被底座砸个正着，眼冒金星。好不容易要抓住杰瑞了，却半路杀出个程咬金，这令汤姆十分生气，他转而追杀金丝雀。看到金丝雀为了自己落于危难之中，杰瑞反过来帮助金丝雀躲避汤姆的追杀。在这一过程中，他们成为了好朋友。虽然三番五次受挫，可是执着的汤姆决不放弃，他一定要抓到这两个讨厌的小家伙……

关谷善彦（奥田瑛二 饰）是一名剧本作家，一天，他曾经的朋友良介找到了他，希望善彦能够帮他一个忙。良介和妻子绫要前往国外居住，他希望善彦能够代替他们照料他们在日本的家，并且帮助他校对字典。与此同时，绫也找到了名为丽子的女性来帮她照看小茶店，就这样，善彦和丽子相识在了同一屋檐下。原来，善彦曾经和绫两情相悦，然而，一场意外让善彦不得不面临为期三年的牢狱之灾，在此过程中，良介趁虚而入夺走了绫，实际上，善彦内心里一直保留着对绫的眷恋。而婚后绫和善彦之间的感情一直都不是很好。在误打误撞之中，善彦和丽子发生了肉体关系，而绫也从国外回到了日本。