The younger sister, who has been separated from her husband for many years, avoids the past and is far away from her hometown Cangshan. While doing household chores in Shanghai, she also takes care of her mother who is suffering from dementia and her rebellious son who has been in love for a long time. After experiencing the difficulties of living in a foreign land, she chose to return to her hometown Cangshan, only to find that her hometown had changed its name. A mother who avoids the present; An elderly person who has forgotten the past; A child who questions the future. A survival story of three grandparents and grandchildren in a foreign land, a difficult journey to pursue spiritual freedom.