Chu Ge is a very clear girl. She always knows what she should do at every step. However, when she grows up and meets Lin Hao who grows up, she starts to do many unclear things. Lin Hao loves her, but doesn't make a promise to her; Yu Xiaoyu can make a promise to her, but doesn't love her. She never felt that she was born for love, but she still waited year after year, and even she didn't know why.