"得赌神毕(bì )生(shēng )绝技的刀仔（刘德(dé )华）在龙五（向(xiàng )华强）的陪同下(xià )重出江(jiāng )湖，代表(biǎo )师父以赌技(jì )致力(lì )慈善事业，人称赌(dǔ )侠(xiá )。遇到(dào )欲拜赌神为师号称赌圣的阿星(xīng )（周星驰(chí )）后，两人互展计谋绝技，打成平手。