A soldier from Mainland China arrives at Hong Kong to look for his estranged sister and finds out that she has been forced into prostitution by a criminal organization.

A goofy schoolteacher stumbles headlong into a counterfeiting ring after he accidentally picks up one of the gang's bill proofs, hidden in a library book. As the heat comes down, it's going to take more than an apology for him to escape.

The males in a triad family are betrayed and gunned down by a rival gang and the women in the family - from the matriarch to the youngest - decide that rather than sit around and mourn their men that they will extract revenge.

A man returning to his old neighbourhood after a prison term finds that the friends he used to hang out with are now a violent street gang that is terrorizing the community.

Cheng Tzu-hao and Kao Ying-wei, both wooing the same girl Ah Tzu, are transferred to the same Action Squad to help crack a number of robberies committed by a notorious robber/killer Ku Lung from Shantung. They inadvertently offend their immediate superior Beast King, and land themselves in a tight spot…

Hung and Ann are down-on-their luck prostitutes trapped in Hong Kong. Pauline's boyfriend, Sam, back in China, who is under the impression that she is away working at a factory, is double-crossed by Billy Chow, and while looking to escape, flees for Hong Kong and winds up at the Brothel where Pauline is employed. He is crushed when he finds out the truth, but by this point, everyone involved on all sides is too deeply involved to turn back.

After receiving a life imprisonment sentence for a NY Chinatown massacre, Jia Shi Lan, alias Hei Lan, obtains a pardon through the Mafia's influence. Returning to Hong Kong, Hei Lan attempts to use the stature and fortitude of Brother Han, an elder, but good-natured underworld boss, to gain power and spread the Mafia's influence throughout Southeast Asia. After a deadly double cross leaves many of Han's society dead, two former members, one a cop, the other a florist, and the sole remaining loyalist join forces to bring down the criminal empire of Hei Lan.

刘德华、林威饰演的两兄弟在六二年的大逃亡潮时失散，威遭遣返大陆劳改，华获蛋家妹温碧霞救起，到港并结为夫妇。华从苦力做起，后来成为台湾养鱼业及船务的成功商人，而威则被犯罪集团雇用来港参加打劫，又被指使往台湾掳劫华之女儿，更错手杀死华女。华返港报仇，与威力拼，后来认出彼此是失散多年的兄弟……