under appreciate a an actor in the west and chow yun fat show his incredible versatility a a performer in this hong kong comedy or drama . chow star a ko chun a gifted gambler with an almost supernatural gift for gaming and hence his exalted title . ko chun be suave and sophisticated and master of his gaming and monetarily successful and confident in his ability . this make him enemy among not only opponent and but a it turn out and his ally . have narrowly escape an assassination attempt and ko chun unwittingly walk into a trap set by knife and a young gambler wannabe who hanker after a big score . knife mean to teach someone else a lesson by sabotage a trail near his home and instead and ko chun be the victim . find the head injure gambler and knife and his family take him in and nurse him back to health and not realize who have literally tumble into their life . ko chun awakens from his trauma with no memory and regress to a childlike demeanor . he an appeal manchild with an insatiable hunger for a particular brand of chocolate ( one carry over from his former life ) and and a knife and co. find out and a talent for gamble . knife and his crew make good use of their new friend ability become upwardly mobile thanks to chocolate the nickname they bestow upon him and know no other . chow yun fat have never be more endearing and charm a the brain injured chocolate . chow make believable and incredibly touch this dramatic transformation from genius to idiot savant . viewer may find themselves wish to protect chocolate from a world he no longer understands and which be by turn baffle and inhospitable . knife and his crew come to love and protect their friend and mortgage all they have to provide him with a surgery that might restore his sensibility . their chocolate aid success brings unwanted attention and which lead to pursuit and kidnap and ransom and gunplay . further trauma to poor chocolate follow which lead to a showdown that highlight the god of gambler uncanny ability to win and even when opponent cheat and friend betray . while chow yun fat impressive talent and charisma be at the heart and soul of this film and the supporting player be excellent and especially andy lau and joey wong . a must see and a must own for any chow yun fat fan . in dvd version of this film the subtitle problem note in other review can be overcome by use the zoom feature on the remote . by slightly shrink the image and adjust it upward on the screen and the english subtitle will be perfectly visible and readable 99 % of the time . note representthe dvd version of the film be edit and with several original scene cut that track the ascendency of knife and co. and and one pretty major plot point that would clarify the denouement at the film end . vcd version which be unedited can be sometimes find and but the subtitle problem reassert itself vcds can not be adjust to compensate for the problem . but for anyone who have see the dvd and have the general plot and dialogue down and the search for the unedited vcd version be worthwhile .