Modern anti-cancer researcher Li Xinyue is dressed as Li Xinye, a peasant woman in the 1970s. Her son has a high fever, her mother-in-law prevents him from seeking medical treatment, and her husband wants a divorce. She saved her son with five yuan to postpone the divorce, changed her son's name, took her husband to cut bamboo and refine oil, and joined the army after her mother-in-law made things difficult for her. In the military area, she rescued people and got an opportunity in a pharmaceutical factory. She fought back against frame-ups, performed meritorious service as a translator and was recommended. Discovered clues about her husband's life experience, performed surgery to save a man from coma due to infection, won the college entrance examination and became pregnant with his second child after recovery. The husband completes his mission and returns with military exploits, and the family moves towards happiness.