When Ding Xiaoxue and others come to the final class, what will happen to Ding Xiaoyu? What will happen to the love between Rex and Ding Xiaoxue? When Ding Xiaoyu's fiancée comes to the ultimate class, how will Ding Xiaoyu behave? When Ding Xiaoyu and his sister arrived, Ding Xiaoyu's personality changed drastically, which surprised everyone in the Ultimate Class. ..... No one knows the identities of Ding Xiaoyu, his sister and others. After that, they went to the golden time and space ten years later. Wang Dadong met Lei Ting and learned that Lei Ting was from ten years ago. The love between the two sparked. . . . . . . .