"得赌神毕生绝技(jì )的刀(dāo )仔（刘德华）在龙(lóng )五（向华(huá )强(qiáng )）的陪(péi )同(tóng )下重出(chū )江湖，代表师父以赌技致力慈善事业，人称赌侠(xiá )。遇到(dào )欲拜(bài )赌神为师号称赌圣的阿星（周星驰）后，两(liǎng )人互展计谋绝技，打(dǎ )成平手(shǒu )。