China is in turmoils as Yuan Shih-kai, the president, is preparing to become the emperor. The postman, the nameless lowly letter courier, is inadvertently caught in webs of intrigue. First he finds a thief in his room. Then he and the thief are attacked by mountain robbers. And they are rescued by Hu, one of Yuan's henchmen. The postman gets into more trouble. He finally agrees to work for Hu. And he is told to deliver four crates of goods to bandit leader Chiao....