He is a young man who doesn't know how to cry, but he has a sensitive heart. What kind of past is hidden under that cold shell? She is a princess who grew up in a palace. She is beautiful and wild, but for whom is she retaining that tenderness? She is a talented woman, but for whom is she continuing to write that true love? He is a boy who came out of the mountains, simple and kind, but who is he obsessed with? He is a genius with extraordinary IQ... A group of teenagers with different personalities, but have the same pursuit. Under the blue sky of youth, what kind of touching story are they performing? How do they hesitate between friendship and love? Is the innocence in your heart still there? Let us open our hearts and listen quietly to "Yu Fei Shang"