Ling Chaoyang, who comes from a medical family, and Li Mengmu, who comes from a financial family, grew up as childhood sweethearts and fell in love. However, they always had some differences in their careers. At this time, another man, Zhao Kou, appeared and Ling Chaoyang competed for Li Mengmu. A huge emotional crisis occurred in Mengmu in country M, which allowed Zhao Kou to succeed, but in the end Mengmu and Ling Chaoyang reconciled after returning to China. Ling Chaoyang kept saying to Mengmu: "You are the person I miss day and night, and the person I want to work with for the rest of my life."
