18-year-old Zheng Wei (Yang Zishan) finally got into the neighboring school of her childhood sweetheart, Lin Jing (Han Geng). When she stepped into the university campus with great expectations, she encountered a blow - Lin Jing went abroad to study and had no news. Zheng Wei felt lost and formed a deep friendship with her roommates Ruan Wan (Jiang Shuying), Zhu Xiaobei (Liu Yase), Li Weijuan (Zhang Yao) and her senior brother Lao Zhang-Zhang Kai (Bao Beier) in times of trouble. At the same time, the rich son Xu Kaiyang (Zheng Kai) launched a crazy pursuit of Zheng Wei, and Ruan Wan, who was popular among boys, used her unique coldness to protect the loyalty to her beloved Zhao Shiyong (Huang Ming). An accidental misunderstanding made Zheng Wei and Zhang's roommate Chen Xiaozheng (played by Mark Chao) become mortal enemies. In the counterattacks again and again, Zheng Wei found that she had fallen in love with this top student who was cold on the surface but kind on the heart. So the crazy counterattack turned into a stalking pursuit, and Chen Xiaozheng finally surrendered under the strong attack, and the happy enemies finally became sweet lovers. Zheng Wei's life was tested again when she graduated from her senior year: Chen Xiaozheng got Zeng Yu (played by Wang Jiajia)'s place to study abroad, but he dared not tell Zheng Wei. Feeling deceived again, Zheng Wei left Chen Xiaozheng painfully... Many years later, Zheng Wei has transformed into a white-collar beauty in the workplace, and she tasted the impermanence of fate again: Lin Jing and Chen Xiaozheng returned to her life at the same time with regret and love! Zheng Wei, the former jade-faced little flying dragon, how will she face the fog and choices given to her by life and youth... This film is adapted from the best-selling novel of the same name by Xin Yiwu. This is Zhao Wei's first directorial work and also her graduation work from the graduate program of the Directing Department at the Beijing Film Academy.