Lu Hezhi happens to find a watch at home. From then on, whenever she falls asleep, she can travel back to her husband Duan Zheng's student days. She had thought Duan Zheng was simply good at restraining his feelings for her, but in those youthful days, Lu Hezhi sees the passionate love he had for his first girlfriend.
Lu Hezhi never wanted to care about the past, but then his first love suddenly returns.
After discovering why she can travel through time, Lu Hezhi asks her husband of five years, with whom she has always maintained a courteous distance, for a divorce.
"So you can love someone like that. I've seen what that kind of love looks like, and now I can't keep lying to myself."
The heroine divorces her husband, and the second male lead takes his place.
Theme: Theme to be added.
