Under the arrangement of her mother, Yao Ruozhao, the legitimate daughter of Yao Mansion, married Li Yin, a down-and-out concubine in Shangshu Mansion whose father did not care for her and whose mother died early.
With her identity as the legitimate daughter of the Yao family, she planned for him, used her exquisite thinking to help him resolve the intrigues in the house fight, and helped him find out the real murderer of his mother.
And Li Yin also protected her as his only favorite.
The two got married first and then fell in love. From being respectful to each other to being deeply in love, they worked together to fight in the house and overcome difficulties. He protected her, and she helped him climb to the top to protect his mother.
As the old saying goes, sweet pet + power struggle in the house + marriage first, love later