When lao-cheng hears the sound of a man's voice, he curses the man for provoking him. He calls the man a "zhong" , but the man does not answer the phone. Worried that his friend is being threatened with his novel, he calls for help. The man who answered the phone tells him that the sub-sender is busy, but that he should call again later. Unsure of what to do, he tries to call the man back, but he is too busy to answer the call. When the man finally answers the phone, he tells the man that he has forgotten something important at school, so he needs to go back and continue. Confused, the man tries to open the door, but it is too late. He tries to get the man to apologize for his rudeness, but when