故事发生于1930年的广州，当时赌业蓬勃，土豪洪彪、洪豹父子企图吞并广州全部赌场，幸得有“南神眼”之称的罗四海(谢贤饰)镇压捣乱，旦洪彪父子因此而怀恨在心。谭小棠(汪明荃饰)是当时着名花旦，而弟谭升(任达华饰)因在赌场出千而被四海所擒，小棠为救弟与四海谈判，期后更发展出一段感人的爱情故事。

Set in 1930s Guangdong, when the gambling industry was in full bloom. One of the greatest gamblers in all of Southern China is Law Sei Hoi, who is dubbed as "Divine Eyes of the South" due to his keen eyesight, which he has used to win a great number of games. In addition to his recognition as a highly-skilled gambler, Law Sei Hoi is the owner of a number of casinos in Guangzhou. Tam Sing, an orphan, wanting to be a gambler himself, pursues Law Sei Hoi, asking him to accept him as a disciple. A blossoming romance begins to emerge between his teacher, Law Sei Hoi and his older sister, Tam Siu Tong, who is a well-known Cantonese opera singer. Hung Biu, the rival of Lo Sei Hoi and a gambling tycoon from Guangxi, however, plans to take over the Guangzhou gambling industry.