"得赌神毕生绝技的刀(dāo )仔（刘德华）在龙(lóng )五（向华强）的陪同下重出(chū )江(jiāng )湖，代表师父以赌技(jì )致(zhì )力(lì )慈善事业，人称赌(dǔ )侠。遇(yù )到欲拜(bài )赌神为师号称赌圣的阿星(xīng )（周星驰）后，两人互展(zhǎn )计谋绝技，打成平(píng )手。