In order to pay for the huge medical expenses of her father's serious illness, Lin Xiaoxiao, an ordinary girl, signed a one-year "contract marriage" with Gu Tingchen, CEO of a technology empire, who wanted to solve her family's marriage push and business image problems. When she moved into his cold and empty Genting mansion, she faced not only a huge class gap, but also a picky housekeeper, an eyeing "ex" and complicated family relationships. She needs to play the role of "Mrs. Gu" and deal with various challenges.