The protagonist Lin Yuxiang (Wu Yunan) has been talented, lively and cute since childhood, coupled with the influence of his father, he has been known as a "prodigy" since childhood. However, this extremely talented young man was severely partial to practice, so he met the teacher who affected his life Ma Debao (Huang Liaoyuan), and Su Shan (Dong Jie), a female student who occupied his entire emotional life. They are full of vitality in their youth, and they have the same sentiment as all their peers. Between intentional and unintentional contact, the bud of love gradually blossoms. In this love season, can boys and girls full of fantasy find the key to open the door of life, the door of soul, and the door of love.