"得赌神(shén )毕生(shēng )绝技的刀仔（刘德华）在龙五（向(xiàng )华(huá )强）的陪同下重出江湖，代(dài )表师(shī )父(fù )以(yǐ )赌技致力慈善事业，人称赌侠。遇到(dào )欲拜(bài )赌神为师号称赌圣的阿星（周星驰）后，两人互展(zhǎn )计谋绝技，打(dǎ )成平手(shǒu )。