The film tells the 15-year love story of swimming talent Zhou Xiaoqi and transferred student You Yongci. In high school, Zhou Xiaoqi (Greg Hsu) fell in love with You Yongci (Zhang Ruonan) at first sight. Innocent and pure love in youth, the boy watched over the girl silently but she left without telling. A 15-year love story followed. Your wedding is also my coming-of-age ceremony....