Liu Yan is the eldest daughter-in-law of the Yang family. She is hard-working and down-to-earth. Her husband, Yang Jianhua, is weak, foolish and filial, but he treats her and their children very well. However, Liu Yan's parents-in-law are extremely patriarchal and prefer their younger son Yang Jianhui's family, leaving Yang Jianhua and Liu Yan.As a blood bag, he tried every means to get money from Yang Jianhua and Liu Yan to subsidize Yang Jianhui.