In this short scene, ning liang, a student in Sociology class 2, meets up with his friend chengshuo, a Sociology professor at Zhejiang University. . The two exchange pleasantries about their respective social class and about the many beautiful women in their respective classes. They also discuss the subject of "human behavior," which ningliang has been studying for two years and which he has given up on for the time being. He tells ning-liang that he is nineteen years old and wishes he could change the present from a pink dress to a white one. He also tells him that he wishes to kiss him on his 22nd birthday.