1990 film by Ann Hui

Ever since he was a child, Lee Chi-kin has been determined to become a police officer, despite the fact that he comes from a family of criminals. As an adult, he joins the police force, where he is first placed with the Narcotics Bureau. During a drug raid operation, he catches a drug dealer. He is later transferred, first to the Anti-Porno Bureau where he falls in love with a call girl, then to the Regional Crime Unit where he works under Inspector Chu. During a drug raid operation, Lee kills drug lord Ng Cheung. Ng's father hires a killer, Thousand Faces Man to take revenge on Lee. After several confrontations, Lee finally brings Thousand Faces Man to justice. The corrupt director of a mental hospital places Lee in the mental hospital for a year, during which time he develops mental disorders. After being discharged from the hospital, he becomes a restaurant waiter.

娘娘腔的小胖子冼洁晶（王晶 饰）被女友甩掉，绝望之际企图跳楼自杀。他的做法不仅引来无数群众围观，还因此结识了同病相怜的非常烦（冯淬帆 饰）和何马同（林俊贤 饰）。阿烦作风粗暴爱骂人，阿同内向胆小，两人的恋爱道路同样几多坎坷。主持“爱情止痛药”的电台DJ谭宇伦（曾志伟 饰）看三人可怜，决定帮他们成为泡妞专家。在了解三人的缺点后，谭带他们来到夜校，阿烦很快就迷上了美丽的女老师李楚红（李美凤 饰）。反惹来对方的反感。楚红和室友小贝贝（邱淑贞 饰）、芬妮（张曼玉 饰）住在一起，这三对男女因此机缘结识，继而展开一场妙趣横生的求爱大作战……

蒋南孙（张曼玉饰）和朱锁锁（钟楚红饰）在金色的太阳雨下相遇，性格不同年纪相仿的她们成为莫逆。二人偶遇中日混血男子宋家明，在海洋公园开心玩乐过后又失去联系，但是年轻的她们不在意，总觉得前路还有更好的。中学毕业后南孙继续升读大学，锁锁出来工作。懂得利用本钱的锁锁总是搬家，一次比一次豪华。而大学毕业后的南孙从低做起，不免觉得挨得辛苦。重遇宋家明对于南孙来说是乌云里的阳光，面对家明对锁锁现状的追问，南孙敏感地避而不答。南孙父亲炒楼失败，突发心脏病死亡。锁锁大方出手相助，帮蒋家渡过难关。南孙觉得自己不应该自私，让锁锁和家明见面了。
她们的友情经过流金岁月的洗礼，只有更醇，不见削弱。

The Hong Kong super-cop must stop a group of blackmailing bombers at the same time that the villains of the first Police Story are out for revenge.