A taciturn old man and a clever and funny little boy accidentally exchange souls, and embark on a journey to find their relatives together, experiencing laughter and tears along the way, and finally transforming into a warm story of growth. The film meticulously reflects the unique gentle and elegant scenery of Jiangnan, the simple and authentic folk culture, and the simplest and warm-hearted simple emotions. The value of "caring for the elderly with heart and accompanying children with love" will bring a breeze to the audience, allowing them to experience the beauty of life in laughter and feel the preciousness of family affection in tears...