Her sister Xinxin, who had been dependent on her since childhood, was betrayed by her boyfriend Xinhan. Xinyun was heartbroken. The person who betrayed her sister happened to be the sexy goddess "Mu Nuo" who she grew up with and regarded as her family. Xinyun found Fu Yu, the dean of the music school whom she met by chance, and joined hands to avenge her sister, and fell in love with Fu Yu.