"得赌神毕生绝技的刀仔(zǎi )（刘德(dé )华）在龙五（向华强）的陪同(tóng )下重出江(jiāng )湖，代表师父以赌技致力慈善事业，人称赌侠。遇到欲拜(bài )赌神为师(shī )号称赌圣的阿(ā )星（周星(xīng )驰(chí )）后，两人互展(zhǎn )计谋绝技(jì )，打成平(píng )手(shǒu )。