Transfer student Xu Niannian and teenager Yang Yi become enemies due to a misunderstanding. The two who are incompatible with each other start a series of competitions. They thought it was their competitive spirit that caused them to fall in love. The cool girl and the immature boy spent their passionate and unforgettable high school time together, but in the end they regretfully passed each other by... When the two who have never forgotten each other meet again, can they be brave and face their love in their hearts despite all difficulties? The movie is adapted from Zhang Haochen's novel "All I Need Is You to Stay Away from the World".