Ni Weila's parents divorced when she was a child. She lives with her mother, who is a nurse, and her father lives abroad and has lost touch with her for many years. Later, due to economic reasons, Nivela and her mother moved from the bustling Nanjing Road to the backward Phoenix Street, but Nivela gained friendship, became friends with Yu Qian, an orphan of the wreath shop, and fell in love with literature under its influence, and her personality changed from withdrawn to cheerful. In junior high school, the participation of Ni classmate Huo Yining made their world more open and happy, and also added the fun of movies to books. Huo Yining is the son of the director of the Cultural Bureau. His dream is to be a film actor. In high school, they met another beautiful and difficult girl, Xia Di. Xia Di is an illegitimate daughter. Her mother died young. I don't know who her biological father is. Four smart and kind children became good friends, calling themselves No.4 School of Phoenix Street. They grew up together and later embarked on different life paths: in the third year of high school, Huo Yining left home because of family changes and went to Beijing to pursue his movie dream; Ni went to Shenzhen to go to college and learn her best foreign language; Xia Di, who loves rock and roll, went to the ancient city Xi Anxue News; Yu Qian continues to work in a wreath shop in his hometown. At the end of the novel, Ni went abroad alone to continue her studies after graduating from university. One of the four people died, one disappeared, and the other stayed at home ... The work not only showed the confusion and sadness of the post-80 s generation, but also showed her rare persistence and wisdom.