Rong Jin, the president of the Rong Group is a newcomer in the business world. On the way to negotiate business abroad, she suddenly encounters a car accident. Her soul enters the body of a five-year-old girl who is fostered in the house of her nemesis Su Qingqiu. Su Qingqiu, the chief executive of the Su Group. She and Rong Jin are deadly enemies. But she pampers and caresses the five-year-old girl in foster care, treating her as her own daughter. A darling of her heart. Rong Jin used to be a big boss in business. Now not only does she have to go to primary school every day, but when she comes back at night, she has to face the noble and glamorous face of her deadly enemy. She will kiss her on her forehead. Su Qingqiu: Are you having a good time, baby? Rong Jin: … When I get back to my body, I will definitely kill you! Later, Rong Jin truly went back. After that, the staff of Rong’s were horrified to find that the boss is actually pursuing President Su next door! But aren’t they enemies?!