"得赌神毕生绝(jué )技的刀仔(zǎi )（刘德(dé )华）在龙五（向(xiàng )华强）的陪同(tóng )下(xià )重出(chū )江湖，代表(biǎo )师父以赌技致力慈善事业(yè )，人称赌侠。遇到欲(yù )拜(bài )赌神为师号称(chēng )赌圣的阿星（周(zhōu )星驰）后，两人互展(zhǎn )计谋绝技，打成平手。