Mainlander Nan moves to Hong Kong to earn a living by being a gambler and casino dealer. She meets up with her stuntman cousin Po and his horse-race gambler landlord Li and together, the three try to make ends meet in the gambling world. However, they stumbled upon a plot where greedy investor Fu Hon-San swindled the shares of his gambler brother Fun Hon-Hwa, whom befriended Nan, and, as a result, the gamblers band together in attempts to topple Hon-San.

A brother and sister seek vengeance for the death of their parents by honing their martial skills and searching for the legendary Holy Flame sword. To avenge their parents they must fight their way through demons, ghosts, ancient booby-trapped temples, and cultish clans.