Chow Yun Fat and Ko Chun, an extremely talented and well-known gambler play. On the eve of a major confrontation having a renowned Singaporean gambler, Ko walks into a trap set by Knife, an avid but a soso gambler (Andy Lau), designed to get an Indian servant. Struck on the mind, Ko suffers from amnesia and regresses. Knife takes care of Ko and begins to harness the gaming skills of Ko.