"得赌神毕生(shēng )绝技(jì )的刀仔（刘德华）在龙(lóng )五（向(xiàng )华强）的陪同(tóng )下重(chóng )出江(jiāng )湖，代表师(shī )父以赌(dǔ )技致力慈善事(shì )业，人称赌侠。遇到欲拜赌神为师号称赌圣的阿星（周星(xīng )驰）后，两人互展计(jì )谋绝技(jì )，打成平(píng )手。