Mr. Fang is at work, and he asks if Shu Feng had a quarrel with his boss. The boss is not depressed, he says, because Shu Feng has just resigned. He tells Fang that he is investigating Shu Feng, and asks him to cooperate with the investigation. Fang says that Shu Feng called him and told him that he was missing, and that he had already seen him on the surveillance surveillance video. He asks if there is a relationship between the two of them, and the answer he usually gets is " colleague" . He says that they are still trying to find out who is involved, and thanks him for his cooperation