She is like a fish out of water. She has never felt the warmth of family since she was a child. Growing up alone in a foreign country has developed her lonely and weird character. Only music can truly touch her heart. Since being brought back to China, the only person she can rely on is her twin brother. She is indifferent to everyone, but only to her brother, she can laugh wildly, showing the youth she deserves at this age. Until she met him, that sunny boy, who took her out of the haze, out of the darkness, and tried to embrace the sunshine. It seems that from then on, she finally learned to cry and laugh. However, this kind of life is always a luxury for her. She always has to experience joys and sorrows...