"得赌神毕生绝技的刀仔(zǎi )（刘德(dé )华）在龙五（向(xiàng )华强）的陪同下(xià )重出(chū )江湖，代表师父以(yǐ )赌技(jì )致力慈善事业，人称赌侠。遇到欲(yù )拜(bài )赌神为师号(hào )称赌圣的阿星（周星驰）后，两人互展计谋绝(jué )技(jì )，打成平(píng )手。