To search for her suddenly departed boyfriend, Ling Yao resigned and came to City C, staying temporarily at her cousin He Xiaoxiao's house, starting an unusual summer life.At 32 years old, He Xiaoxiao has been a single mother for 11 years. She works hard, dreaming every day of a better life. One day, she encounters the man who once made her grit her teeth in a business setting...A light-hearted story about the emotional journey of two sisters on different paths.