The discharged soldier Ai Chengchuan and Li Hua are determined to change the poor appearance of their hometown. They went back to start businesses and venture into the market. They underwent hardships and tribulations, starting by taking on air conditioning installation jobs and gradually developing to the research and production of lithium bromide central air conditioning, achieving success in their careers while their love also blossomed. Li Yingcai, concerned about his fellow townspeople, resigned from his official position to return home as the village party secretary. He led the villagers to set up factories, accumulating experience through repeated failures, and eventually succeeded in winning the bid for car bumpers. My farmer brothers.