Wang Ruoshui, who is carefree and loves to fight against injustice, entered the best provincial key middle school and experienced the feast of youth with several completely different girls in the dormitory. A chance look back made her fall in love with the class monitor Zheng Jinzhong, but Zheng Jinzhong had a different temperament than others. Hui Ru, a girl with excellent literary talents, is ambiguous about whether she and Zheng Jinzhong may have a chance. Xia Jiexi, who takes great care of Wang Ruoshui and is considerate, is in pain because of the betrayal of his previous relationship. Wang Ruoshui helps him stand up again. How does he protect Wang Ruoshui? Crazy Lan, who loves to the extreme, meets her love, how she loves that boy with pain and joy, but is always ambiguous and detached from love, and how she learns to love after encountering all kinds of things. The gentle and kind-hearted Mumao is devoted to guarding her relationship with Dezhou, but with the sudden betrayal, how will she choose? . . . . In the feast of youth, we are eventually forced to grow up.