If you fall in love with someone, how long are you willing to wait for them? Will you devote your whole life to it and never change it no matter what happens? Lu Yenuan's childhood sweetheart boyfriend Xu Mengsheng disappeared mysteriously during her sophomore year, and her father committed suicide in prison. When she was desperate, her father's friend Fan Weiming assigned her to take care of her illegitimate son Fan Chiyu, who had just entered high school. Three years later, she accompanied Fan Chiyu, who was admitted to Kuiyuan University, back home, but she accidentally saw a man who looked exactly like Xu Mengsheng - Shangguan Yanze, who at this time was actually the fiancé of Fan Chiyu's sister! What changes happened to Xu Mengsheng in three years, and what was the real purpose of Shangguan Yanze coming to the Fan family? When the layers of fog dissipate, can everything about them return to their original pure whiteness?
