故事讲述了妹妹和她的聋哑姐姐的成长故事，妹妹曾发誓要守护姐姐，却因为一次文艺演出失败与姐姐产生隔阂，而姐姐却不离不弃的一直默默守护着妹妹。

It is a story about the growth of the younger sister and her elder sister who was deaf. The younger sister ever swore to protect her elder sister. However, due to the failure in an artistic performance, she grew apart from her elder sister, while her elder sister never left or forsook her, and protected her all the time silently.