In order to fulfill the music dreams of the children of Taoli Primary School, lunch girl Liu Xiaobei (played by Tang Yan) signed up for the "My Princess" selection competition organized by Haoli Group. She had only one goal, to win the prize money to buy a piano and keep the music teacher who taught at Taoli Primary School. Liu Xiaobei's performance was recognized by all the judges and the audience. Only the fiancée of Xiang Tianqi (played by Qiu Ze), the general manager of Haoli Group, Mu Zhiqing (played by Qi Wei) 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 Liu Xiaoyu. The romantic time between the two did not last long. Xiang Tianqi, who recovered his memory, quickly forgot everything that had happened before. Back to reality, Xiang Tianqi and Mu Zhiqing are about to get married, which makes the singer Ji Rufeng (played by Xu Zhengxi) who has always been secretly in love with Mu Zhiqing very sad. Xiang Tianqi wants to demolish Taoli Village and build a resort. Xiaobei advises him not to do such a short-sighted action. In an instant, past memories flood into Xiang Tianqi's mind...