Lin Lan (played by Sun Jingjing) has been in college for four years. The dream lover Gu Xiaobei (played by Janine Zhang) is riding a bicycle and wearing a white shirt. She is involved in a car accident with her friends Wenjing (played by Wang Yuanke) and Weiwei (played by Wang Yajie). Lin Lan has become an old enemy of all girls in the school, but she doesn't care. She thought that the relationship between herself and Xiaobei would last forever, but because of a misunderstanding and quarrel, the relationship ended. Xiaobei also has a woman, Yao Shanshan (played by Zhang Li). The beautiful and scheming woman regarded Lin Lan as a thorn in her eyes. In desperation, Lin Lan chose to devote himself to work. In the workplace, she met Lu Xu (Jia Yiping), an elite in the advertising industry. Lin Lan, who is like a buddy like Lu Xu, did not expect Lu Xu to fall in love with herself and still trapped in Xiaobei's memory; over there, Lu Xu is a suitable candidate for her good friend Wenjing. This film is adapted from Guo Jingming's novel of the same name.