"得赌神(shén )毕生(shēng )绝技的刀仔（刘德(dé )华）在龙五(wǔ )（向华强）的陪同下(xià )重(chóng )出江湖，代表师父以赌技致力慈善(shàn )事业，人称(chēng )赌侠。遇到(dào )欲拜赌神为师(shī )号称(chēng )赌圣的阿星（周星驰(chí )）后，两人互展(zhǎn )计谋绝技，打成平手。