After Lu Jin returned to the 80s, she became a substitute girl in the village. Her childhood sweetheart went to school with true love. But she relied on her talent for technical flow to counterattack step by step. At first, the villagers lamented that her life was miserable, but they soon found that she was praised by the township, admitted exceptionally, and promoted all the way to the province. In the end, Lu Jin proved the strength of the technical stream with his strength.