Zhao Xiaoyu has longed for a mother since childhood, experiencing many twists and turns in hard rural life. He witnesses family reunions and separations, experiences the warmth and coldness of human relationships, and successively encounters the death of loved ones and heavy blows to life. With the help of his grandfather, stepmother Sun Guixiang, and fellow villagers, he shoulders heavy life burdens at a young age, facing hardships directly while holding fast to his original aspirations, and slowly growing up amidst rugged circumstances.