"得赌神毕生绝技(jì )的刀仔（刘德华）在龙(lóng )五（向(xiàng )华强）的陪同下(xià )重出(chū )江湖，代表师父以赌技致力慈善事业，人称赌侠。遇(yù )到(dào )欲(yù )拜赌神为师号称赌圣的阿星（周星驰）后，两人互展计谋绝技(jì )，打成平(píng )手(shǒu )。