Do you still remember the person you liked when you were 17? Xu You, a southern girl with excellent grades, transferred to Linshi, accidentally became a deskmate with Xie Ci, a "school bully", and the two gradually entered each other's hearts in the midst of laughter and bickering, but faced with the trick of fate. Years later, the two return to the place where the story began, only to realize that the joy of youth is like apple-flavored lollipops, around and around or the first sweetest ......

One script, two screenwriters, three revisions, four seasons change, five flavors mixed. According to legend, during the early years of the Ming Dynasty, General Chang Yuchun headed north with his army and established a campsite that later became known as "Chang Ying." Several hundred years later, a group of young people also stationed there, dreaming of becoming directors, screenwriters, actors, producers, and more. Among them were two screenwriters, Zhang Liao and Sun Tan. They wrote a movie script that they believed would go down in history and were determined to bring it to the big screen.