"得(dé )赌神毕生绝技的刀仔(zǎi )（刘德华）在龙五（向华强）的陪同下(xià )重出(chū )江(jiāng )湖，代表师父以赌(dǔ )技致力慈善事(shì )业，人称赌侠。遇到欲拜(bài )赌神为师号(hào )称赌圣的阿星（周星驰(chí )）后，两人互展(zhǎn )计谋(móu )绝技，打成平手。