Originally named Li Xiaowen, she is the editorial assistant to the deputy director of Taste News Channel and the sister of mental patient Li Xiaoming. After her brother had an accident, she was separated from her family and lived alone.When he was a child, he had a lively and cheerful personality. After his brother Li Xiaoming's incident, he became silent and introverted, so he changed his name to Li Dazhi% under the pressure of his parents.On the recommendation of a university professor, the victim's sister Li Dazhi, who changed her name, came to work at the TV station, and her boss happened to be the victim's mother Song Qiaoan.