"得赌神毕生(shēng )绝技的刀仔(zǎi )（刘德华）在龙五(wǔ )（向华强）的陪同下(xià )重出江(jiāng )湖，代表师父(fù )以赌技(jì )致力慈善事业，人(rén )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(zhǎn )计谋绝技，打成平(píng )手。