**

Zhang Qingshan is the grandson of Shenquan Zhang Wanshan. In order to repay his grandfather's favor, he went to the city to work as a bodyguard for Bai Wanqing. He looks simple and honest, and he breaks into a wealthy family with corn cakes in his pocket. As soon as he arrives, he is embarrassed by the Bai family. No one thought that he had real abilities. He had an amazing ear and could pick out bugs and easily defeated bad guys. All crises were resolved by him. He gradually became her strongest supporter from being a bodyguard.