In the northeast countryside in 1981, Li Jianguo returns reborn with the regrets of his past life. In his previous life he was foolishly filial and weak, and his wife and daughter suffered every grievance and met a tragic end. Living a new life, he is determined to protect his family, bravely drawing a clear line with his partial original family. Relying on his own courage and mountain survival skills, catching fish, going deep into the mountain to hunt, he works steadily and diligently to forge a living. He treats his wife and daughter well, makes good and righteous friends, resolves neighborhood conflicts, seizes the opportunities of the times to strive to increase income, improves life bit by bit, and strives to win a stable, prosperous, and happy life for his small family.