陈宗人称赌王，他在赌桌上运气和技术都胜人一筹。陈宗凭实力和他的兄弟郑三共创事业，在中国开设赌场，陈宗与郑三在地下赌业急剧上升，他与仇家传罗仔及大皇冠展开连番仇杀，陈宗最终把大皇冠杀死，被公安通缉，逃至香港。在港邂逅舞小姐方儿，陈过被方儿影响，决定重新做人。可惜此时得知罗仔仍要对付郑三，陈宗再返内地与郑三联手，与仇家展开了连场血战

Chen Chun (Max Mok) and San (Roy Cheung) are two low-level mainland gangsters who open their own gambling outfit. When Chen Chun winds up killing the owner of a rival parlor, he flees to Hong Kong where he soon falls in with a heroin-addicted hooker named Fang (Lee Suet Man). They inevitably fall in love, but soon their bliss is shattered with the news that Chen's gambling venture has been taken over by a notorious gangster called Bolo Guy (Jimmy Lung Fong) and his mainland girlfriend Melia (Jacqueline Ng) who has been killed. Chen goes back over the border looking to set things right.