Lunch girl Liu Xiaobei (played by Tang Yan) signed up for the "My Princess" selection competition organized by Haoli Group for the music dream of the children of Taoli Primary School, with only one purpose, to win a prize money to buy a piano and stay as a music teacher in Taoli Primary School. Liu Xiaobei's performance was recognized by the judges and the audience, and only Mu Zhiqing (played by Qi Wei), the fiancée of Xiang Tianqi (played by Qiu Ze), the general manager of Haoli Group, raised objections. Xiang Tianqi lost his memory due to Qiu Yan (played by Wen Shenghao), but fortunately he was rescued by Liu Xiaobei and named him Liu Xiaoyu. Xiang Tianqi and Mu Zhiqing, who have returned to reality, are about to enter into marriage, which makes the singer Ji Rufeng (played by Xu Zhengxi), who has always had a crush on Mu Zhiqing, very sad. Xiang Tianqi wanted to demolish Taoli Village and wanted to build a resort, Xiaobei persuaded him not to do such a short-sighted action, and in an instant, the memories of the past poured into Xiang Tianqi's mind......