Xiaomao (played by Big S Xu Xiyuan) lost her father when she was young, and her mother remarried. However, she and her deaf-mute sister were extremely dissatisfied with this stepfather, because the latter often peeped at them taking a bath and was extremely vulgar. Xiaomao, who could not get warmth at home, gained a pure love at school. The boy Aliang (played by Peng Yuyan) who gave her the guitar had the qualities that she cherished very much, and the two loved each other. But when Xiaomao mustered up the courage to devote herself to him, the man declined her. He said frankly that she should cherish her people instead of coveting sex. Later, Aliang went to serve in the military, and the depressed and lonely Xiaomao began to engage in online prostitution because of her financial difficulties. During this period, she met a married man Xiaogu (played by Zhang Xiaoquan), and the two were deeply entangled in the entanglement of spirit and flesh and could not extricate themselves... Ten years later, Xiaomao met Sunshine (played by Dong Mingxiang) at a colleague dinner. This long-haired boy who was deaf and mute like her sister warmed her heart in his unique way...