Xu Sui is the child picked up by Gu's father and Gu's mother. Gu's father was a policeman. During one of his duties, he rescued a family's child, who is now Xu Sui (nicknamed Suisui). Unfortunately, the family was separated from him due to a car accident, so Gu Guozhong (Gu's father) had to adopt him. The seven-year-old Gu Nian (nicknamed Nian Nian) hated this younger brother (the two were one year apart but in the same grade). He stole his parents from his parents and refused to give Xu Sui a good look. But later, when this younger brother grew older, Gu Nian found that he liked his younger brother...
Intention: pure love