Mumu lost her mother and stepfather in a car accident, and her brother Ryan from the United States became her guardian when she was 17 years old. Ryan wanted to be a singer. In order to prevent her father's family from taking away her inheritance, she made a deal with Ryan. She and ryan formed a band to make ryan famous, and ryan acted as her guardian to protect her legacy. Chen Feng, the second generation rich man, and Mu Mu grew up together and have always been by her side. What kind of emotional entanglements will occur between the three of them, and where will Mumu go?