It tells the story of Zhang Nan, a young party member who graduated from graduate school, and his girlfriend Bian Xiaoyue, who worked together to help the poor in the countryside. When Zhang Nan was young, he witnessed his mother and the villagers of Baiguo Village robbing irrigation water and causing wounding and death. So he committed the crime of intentional homicide and was sentenced to prison. Since childhood, Zhang Nan has determined to escape from the mountains and live in a big city. When graduating from the university with a master's degree, my mother was diagnosed with cancer. I was forced to give up my bright future in Shanghai, and then returned to Baiguo Village, where I was born and raised, to serve as the captain of the work team. After three years of poverty alleviation work, she changed Zhang Nan’s original thinking. She has a persevering and unyielding character, and made most of her contributions to the village. Constantly opening up in the countryside, helping all the villagers successfully get rid of poverty, and also consummating the love between himself and his girlfriend Bian Xiaoyue