Two years have passed, and the police have not found the old man. The only thing they can do is keep an eye on him, but without any evidence, they will not find out the cause of his death. Just as he is feeling hopeless, his buddy shengzi calls him to a restaurant. As he is about to leave, a taxi stops in front of him. The driver starts the car, but the taxi breaks down. The young man feels the weight of his pocket and decides to kill himself.