Haiyuan (Zheng Encai), a college student who aspires to become a star of great attention one day, whose mother is about to emigrate to Canada. Mother and son's last time together, full of joy and sadness. After a few dull and brief hours, Haiyuan was alone. Depressed, she brings in her lover Li Chengjun (Li Shanjun), who has been dating on and off for a year, and is also a professor and director of Haiyuan's film school. For Director Li, who is already married, their relationship is doomed to be hidden in the dark from the very beginning, never on the table, no matter how unforgettable sweet words the man has said. Rumors of an intimate love affair between female students and professors are rampant in the school, and conflicts are inevitable between them, so they simply avoid seeing them after the quarrel. How to deal with it? How to choose? How to give up?