"得赌神毕生绝技(jì )的刀仔(zǎi )（刘德华(huá )）在龙五（向(xiàng )华(huá )强）的陪(péi )同(tóng )下重出江(jiāng )湖，代表师父以赌技致力慈善事(shì )业，人称赌侠(xiá )。遇(yù )到(dào )欲拜赌(dǔ )神为师号称赌圣的阿星（周星驰）后，两人互展计谋绝技，打成平手。