In the 1980s, rural grandparents favored sons over daughters. Three sisters were born one after another. The little granddaughter has been unpopular since her birth. The mother began to be disliked, and the father did not dare to resist the grandparents. However, under the care of their mother, the daughters grew up healthily and achieved academic success. When he grew up, he became a cheerful, optimistic and filial child.