"得赌神(shén )毕生(shēng )绝技的刀仔（刘(liú )德华(huá )）在龙(lóng )五（向华强）的陪同(tóng )下(xià )重出江(jiāng )湖，代表师父以赌技致力慈善事(shì )业，人(rén )称赌侠。遇到欲拜赌神为师号称赌圣的阿星（周星驰）后，两人互展计(jì )谋绝技，打成平(píng )手。