Five years ago, Xu Wanning, a public-interest lawyer, was forced to break up with Chi Yao, an aerospace engineer, because of the wrongful accusation against her father. Five years later, they reunite at a close friend's wedding. As they begin living together, they clear up misunderstandings and rekindle their old romance. Meanwhile, Xu Wanning persists in overturning her father's wrongful conviction, independently resists exploitation by her own family, and struggles with Chen Zihao's persistent harassment. When they reunite again in the capital, they must confront both their feelings and the difficulties of reality.