The film dates back to a true story that happened in Beijing at the end of the 20th century. As a middle school student from Beijing, Zhang is no exception. She is a lovely girl, full of dreams. But when she graduated from high school, she was found to have cancer. She was forced to leave school and even deprived of the right to live as a normal person. Soon after, people found the girl smiling in the face of pain and even death. Her behavior affected the people around her. To people's surprise, she took pain as a part of her life experience. In the last few days of her life, she was eager to realize her dream. One is that she wants her mother to move back to Beijing from the south of Shanxi. Another reason is that she wants to co-host Tell the Truth with her favorite CCTV host Cui Yongyuan. After learning about this, Mr. Cui was deeply moved by the girl's tenacity in the face of fatal diseases. When the program "Powerful Power" was being produced, Zhang was sleeping soundly in the hospital. When the program was broadcast on TV and her mother was finally moved back to Beijing, she had left her relatives, friends and those who cared about her very much …