"得(dé )赌神毕(bì )生绝技的刀仔（刘德华）在(zài )龙五（向华强）的陪同(tóng )下重出(chū )江湖，代表师父(fù )以赌技致(zhì )力(lì )慈善事业，人称赌(dǔ )侠。遇到(dào )欲拜(bài )赌神为师号称赌圣的阿星(xīng )（周星驰）后，两人互展(zhǎn )计谋绝(jué )技，打成平手。