It tells the story of AI engineer Gu Jiu Li, who founded Jiuqian Technology Company, which is dedicated to the development of companion robots. Hao Jing, a senior in a preschool education major, likes to sing, but because of her mother's objection, she can only secretly become a live broadcast singer blogger at night. After Hao Jing graduates, to avoid being discovered by her mother as the anchor, she comes to Gu Jiu Li's company for an internship. When the two meet, Hao Jing falls in love with Gu Jiu Li at first sight. Gu Jiu Li, who suffered 'facial blindness', didn't realize that the girl he was secretly interested in was Hao Jing. At the same time, the existence of Hao Jing in Gu Jiu Li's life warmed his loneliness due to his childhood experience.