Meng Ni (Jiang Kai Tong) and Liu Yi Ming (Zhang Han) attended different universities but tried to keep their relationship strong. While Yi Ming attended school in Beijing, his friend Zhang Zhi Heng (Zhao Chu Lun) stayed by Meng Ni’s side and watched over her. After Meng Ni graduates, she plans to move to Beijing to be with Yi Ming and start her career. But having already experienced the hardship of the city, Yi Ming doesn’t want to stay there and feels bad that he can’t be there for Meng Ni. When he’s given a chance to leave Beijing, Yi Ming takes it. But after becoming penniless, Yi Ming returns to Beijing to try to earn money. Dealing with her own family crises, Meng Ni doesn’t have the ability to deal with Yi Ming’s back-and-forth, and she ends up with Zhi Heng, who has always been there for her. But a series of fights leads to all three of them going their separate ways. What happens when they meet again three years later under much different circumstances?
