This is a family-healing story spanning twenty years, centered on the Lin family, whose material comforts contrast with their emotional distance. At age ten, Lin Yan suffers bullying at school and falls into social withdrawal and depression. After his younger sister, Lin Xiaoxing, is born, the sweet and precocious “Little Star” quietly brightens his world. From innocently looking out for her brother and keeping him company without disturbing him as a child, to becoming a gentle bond that brings the family together as she grows up, Xiaoxing uses her pure love to gradually melt the ice around Lin Yan’s heart.