Pu Xia, who went to school with Ying Jia since childhood, injured Ying Jia while riding a bicycle. From then on, she met Ying Jia and Ying Jia's childhood sweetheart. Such a beautiful life continued for 3 years. Ying Jia's mother needed to go abroad for treatment because of a heart disease, so she made an agreement with Pu Xia that she would come back after she was cured. After staying abroad for 5 years, Ying Jia left her parents and returned to their former home. A place full of happy memories. Ying Jia was very sad to learn that Pu Xia had moved away a year ago, but she settled down in this place. Ying Jia met Xin Ling, her classmate in elementary school, and through Xin Ling, Ying Jia met the very talented An Yixun. The two developed a good impression of each other, but at this time, Ying Jia accidentally learned of Pu Xia's whereabouts...