The story revolves around Class 1 of a key middle school. Lin Ran, Song Youran, Zhou Hao, Zhao Ying and other classmates met in the new semester and were brought together by the class teacher Wang Liqun. Campus life is full of fun, misunderstandings, competitions and emotional entanglements. From humorous daily life to unexpected events, from the pursuit of friendship and dreams, to the collision of family conflicts and growing pains, in the repeated ups and downs, everyone has experienced different youthful transformations. The three volumes are respectively based on the new semester entrance, class turmoil and dream sprint. Each volume is relatively independent and effectively carried out. The story finally ends at the end of the college entrance examination and the graduation moment, showing everyone's growth and return.