Wen Jing attends a high-school gathering and found out that her ex-boyfriend Du Xiao Feng's first love is not her, but her best friend Su Su; and that Meng Fan, who used to crush on Su Su, is dead. Wen Jing then helps Su Su collect Meng Fan's magazine publications. As she starts to gather up the items, she discovers lost memories; as well as a secret that nobody knows.