Yin Feifei is a wealthy princess, but when she was 7 years old, her mother cruelly abandoned her under the cherry blossom tree. Her mother's abandonment made her become a maid and was sent to an orphanage. In the misery, she, her good friends Ruan Yuxuan and Ai Ying jointly endured the death of the dean Zhenli. Despite the torture from the principal, Feifei still looked forward to the promise her mother made to her. When she transformed into the apple of her eye again, she understood everything during a kidnapping case with the rich young master Wang Zichen. It turned out that there was an unknown secret between her life experience and the orphanage.