Faced with being sent to the countryside due to the jealousy of his classmates, Li Min went to the northeast to go to the countryside for Li Yue in order to let the frail Li Yue stay in the city. Li Yue grew up overnight after this incident. She stayed in the city and worked hard to earn money while trying to find ways to get her sister back to the city.
When Li Yue received her high school diploma, she met her classmate Zhao Liang and developed a revolutionary friendship with him. Her sister also gained her own happiness in the Northeast.