Xin Tang (Sun Chenjun) has the superpower of controlling other people's emotions through voice. In order to live an ordinary life in this world, Xin Tang carefully guards his secret. By chance, Xin Tang met a girl named Ji Ze (Zhang Ruonan), and accidentally saved Ji Ze who was about to commit suicide. In this way, the fate of the two was tightly bound together. Although Ji Ze seems to be a female internet celebrity with many fans on the Internet, in fact, she suffers from very serious depression and struggles in the abyss of despair and pain every day. In order to help Ji Ze, Xin Tang never leaves her side and uses his voice to heal her scarred heart. As time goes by, he slowly falls in love with this fragile girl.