"得赌神毕生绝技(jì )的刀(dāo )仔（刘德华）在龙五（向华强）的陪同下重(chóng )出江湖，代表师父以赌技(jì )致力(lì )慈善(shàn )事业，人称(chēng )赌侠。遇到(dào )欲拜赌(dǔ )神为师(shī )号称赌圣的阿星（周星驰(chí )）后，两人互展(zhǎn )计谋绝技，打成平(píng )手。