Thinking back then, Guan Hao and Liu Xing were really Zhang Yi's best friends in his life. Zhang Yi even remembered that once when he was beaten by a group of hooligans outside, Guan Hao protected himself and took two knives for him. He lay in the hospital for half a month.,In the midst of their conversation, Guan Hao asked, "Three years ago, what exactly happened Why did you disappear without a word","Okay, we're all from the same district, and we're just heading back anyway. Let's go together!"。