Junrong (Gan Zhengyu is acted the role of) this university professor holds the attitude of having sex without love, so he has not even got married at the age of marriage. On a date, he met the avant-garde lighting designer Juanji (Yan Zhenhua). They drank and talked, and the effect of alcohol made them have a relationship. Juanji knows that Junrong is a man who does not want to marry, and she does not mind that she has always maintained a delicate relationship with Junrong. Juanji later married a doctor. After her marriage, she still had a relationship with Junrong and went to the unit she rented to Junrong on weekends. After a long time, Junrong began to feel confused about the relationship between them.
