"得赌神毕生绝技的刀仔（刘德(dé )华）在龙五（向(xiàng )华强）的陪同(tóng )下(xià )重(chóng )出江(jiāng )湖，代表(biǎo )师父以赌技致力慈善(shàn )事(shì )业，人(rén )称赌侠。遇到欲拜赌神为师号称赌圣的阿星（周星驰）后(hòu )，两人互展计谋绝技(jì )，打成平手。