Description：The movie is divided into three stories that take place in different periods and places but are related to each other. "Back Figure": Manager Chen (played by Chen Bolin) was entrusted by the company to go to Guangxi for a business investigation. In the factory, he unexpectedly met his father who had been separated from him for many years. Today's father is already very old, and he has long since failed to recognize his son's face, and Manager Chen does not seem to have any plans to recognize his father. "Lakeside": Chen Deming (played by Chen Bolin) has just become a father, and a letter from prison has diluted this joy. It turned out that his former best friend (played by Yang Youning) was about to face the death penalty, and he was going to Singapore to see him off for the last time. "Goodbye": University professor Chen Zhibin (played by Chen Bolin) went to Thailand to give lectures, where he met his former university teacher (played by Jiang Wenli), and the two resumed a teacher-student relationship.