When Yan Chenluo, the No. 1 School sweetheart, meets Yi Jiantu, the No. 2 School sweetheart, will it be an intersection or a parallel? Will those so-called true loves be as romantic, sweet and permanent as what is said in the TV series? What is the mysterious life experience of my childhood sweetheart Xia Monai? What is the relationship between the school's No. 3 Gong Qingkui and Xia Monai? She can only choose one if she disappears or appears. And who will make the choice?
Disappear, appear, want to change, and finally become a mirror...
If we had the chance to do it all again....