Bai Weifeng and his two brothers once left the Bai family villa in a deserted state. Until the four-year-old niece Su Nian's parents died, the family was completely rejuvenated. The eldest brother brought picture books and the second brother carried candies, vying to please Su Nian. Even Bai Weifeng, who had always been calm, was moved. A "baby battle" surrounding the little guy quietly started, and warmth spread in the Bai family.