Mr. Zhang introduces himself as "Yangguang" , the manager of the company where he works. He tells the young man that he has come to apologize for something that has happened at the company. He says that he is sorry that something has happened, but that he must return to the company immediately. He explains that it is very hard to win the heart of a woman like Madame Quin, because she is the eldest daughter of one of her clients. He adds that Madame Quin has only one reliable client, and that is him.