AllMovie

This 1989 thriller, directed by Jing Wong, resurrected the subgenre of the Hong Kong gambling film. Do San (Chow Yun-Fat) is a slick professional gambler on a seemingly endless winning streak. On his way to defeat a rival in a card game, Do's streak comes to a close when a head injury leaves him brain-damaged. Reduced to the mental capacity of a child, his friend "Knife" (Andy Lau) and Knife's girlfriend Jane (Joey Wong) are left to care for him. They soon realize that his gambling abilities have been left intact, and in a series of events reminiscent of Rain Man, Do makes a comeback. Yun-Fat, who gained international reknown as an action hero in such thrillers as The Killer and Hard-Boiled, shows a surprising amount of range in this departure from his usual role.