Feng is Ling Qianer's right-hand man and a good partner. He gets along well with all the players and often eats and drinks after work to maintain his feelings. Feng appreciates the courage of money and regards him as the object of study. The two men solved the case tacitly and solved the murder case many times. Whenever children encounter pressure or emotional troubles at work, Feng will give support and help like a "brother" and establish brotherly friendship with them.
Feng's family is well-off, and his family runs multinational enterprises. But he regards wealth as a cloud and has little interest in business. He is determined to join the police force. Feng keeps a low profile and doesn't want to disclose family matters. However, after Ling Qianer learned her boyfriend's true identity, she couldn't accept it for a while, and their relationship began to be tested. Fortunately, in the end, because of an accident, Li gave his life to save her, which deeply moved Qianer and they made up.