After eight years of marriage, Lin Wan saw clearly the true nature of her husband's family's preference for boys over girls at her daughter Siyan's birthday party. Not only did they treat their granddaughter harshly, they even secretly used Siyan's top elementary school degree to give it to their nephew. Their husband also indulged her throughout the whole process and repeatedly forced her to be patient and give in. In order to protect her daughter, Lin Wan fully awakened, armed with evidence, fought hard against her husband's family, reported illegal operations, and decisively divorced, which not only protected her daughter's life, but also preserved the possibility of growth for more mountainous girls.