In a town, the prelude to youth quietly draws to a close. A young girl, Zhao Ling'er, with a vision for the future, steps into the door of Zhangchuan Middle School. She is lively and cheerful, full of unlimited fantasies about the future, eager to find like-minded friends on campus, meet the man of her destiny, and start her own youthful story. However, the gears of fate have already turned quietly, and she meets with several classmates with very different personalities on campus, and their stories are intertwined to form the most beautiful model of youth. There are laughter, tears, growing pains and the light of dreams, and they will walk through this unforgettable journey of youth together.
