In 1993, mechanical engineering student Lu Xiaofeng is forced to return to his hometown after his job assignment is stolen by someone with connections. Together with his younger sister Lu Xiaohe, he opens an electrical repair shop in Guangming Town. Local rival Sun Dakui lures customers with low prices and cut corners, damaging appliances and even causing dangerous accidents. Armed with solid skills and a notebook, Lu Xiaofeng starts by fixing an imported tape recorder no one else dared touch, gradually earning the trust of the neighborhood. Word spreads beyond the town when a textile factory hires him to repair imported motors. This drama captures the everyday warmth of a 1990s small town and the spirit of craftsmanship, championing honesty in business, skill as a foundation for life, and the positive values of down-to-earth hard work.