Sing, a dumb, lovable mainlander with supernatural powers comes to China to visit his uncle Tat. When it's revealed that Sing can see through objects, Tat employs him as "The Saint of Gamblers," and proceeds to set him loose in the gambling world.
Lau Ching, a Mainlander with an incredibly powerful right arm, arrives in Hong Kong to find his cousin. He befriends with a drifter named Handsome, and a martial artist girl named Mandy. In order to woo her, Ching participates in a fighting competition in hopes of winning a $10 million prize, and must defeat his love rival, Wai, in the ring.
The hero Fong Sai Yuk becomes involved in the secret brotherhood "The Red Flower", who are trying to overthrow the Manchurian emperor and re-establishing the Ming dynasty. The social upheaval is combined with Sai Yuk's personal moral conflict about how to conform to the rigid regime of the brotherhood and on top of that sort out his difficult love life, saddled with two presumptive wives.
Undercover cop Leung Foon is having trouble taking down the illegal trading operation headed by crime boss Ferrari. So to accomplish his mission, he asks for help from the renowned Master Wong, an expert in gambling tricks.