Lin Xi is the daughter of the famous painter Lin Yan, but her family life is far from happy. This has made her aloof and cold. In middle school, however, she meets her unrequited love, Cheng Chen, as well as her first friend, Ye Xiaoxiao. She likes Cheng Chen, but to her surprise, Ye Xiaoxiao likes him too. When Ye Xiaoxiao learns that Lin Xi also likes Cheng Chen, the two become enemies. To bring them together, Lin Xi chooses to apply to a university in City A and leave her old self behind.
After graduating from university, her relationship with her mother improves, and her personality changes completely. She also meets her unforgettable love, Yu Xiao, at a nightclub. Yu Xiao is ten years older than her and has the air of a mature man. She is drawn to that quality, and Yu Xiao gives her a deep sense of security. Many things happen as they get to know each other, and Yu Xiao spoils and cherishes her time and again.
But then Gu Qi appears and launches a fierce pursuit. In the end, Gu Qi becomes a deranged, possessive obsessive, forcing his love on her. Cheng Chen comes to City A for an important matter, and she meets up with him, but the feelings they once had are long gone.
Caught between her unrequited love and her unforgettable love, she is troubled, but in the end, she makes the choice that satisfies her.
