After retiring from military service, former soldier Wang Jianhua spends three years raising fish in Gaoqiao Village, only to have his father-in-law lead the entire village in blocking the road and cutting off the water on harvest day, forcing him to sell at a ridiculously low price. Faced with his wife's blind obedience to her father and his father-in-law's relentless pressure, Wang Jianhua uses secretly installed pipes, a self-repaired dirt road, and recorded evidence to sell his fish overnight and break free. Leaving with nothing, he moves his business to Qing Shui River. From an outsider son-in-law bullied by the entire village, he rises to become the head of the aquaculture association, fights back against his father-in-law's malicious accusations, secures a major order from the provincial capital, and eventually establishes an aquatic products group. With an annual output of three million jin, his business reaches every corner of the province as he transforms himself from a struggling pond owner into an industry leader.