The story revolves around seven high school students. Over the course of three years, academic pressure, family conflicts, friendship changes, budding love and identity are intricately intertwined each semester. During this period, they planned campus activities, solved rumors, experienced first love and broken love, and faced the decision of graduation together. With the pressure of entering higher schools, being divided into classes, sports meets and exams, the protagonists gradually grow up with humor and warmth, and finally move towards a new life. The humor is based on realistic considerations, the pace is brisk but the emotions are sincere, and the ending is happy and complete, with regrets and hope.