Chen Ling, who had been abused by her family since she was a child, suddenly became a child of another family overnight when her younger brother was 10 years old. The sister in his new family was as good to him as his own brother, and Chen Ling gradually fell in love with his new family. Unfortunately, the good times did not last long. A few years later, his sister got married and he was the only one left in the family. Chen Ling, who was feeling miserable, still left home and relied on working to support himself. While he was busy making a living, he met his lover.