Contract Bride? True Revenge Partner!

Dong Xiaoxiao and Qin Ye marry on a contract. He is the heir of the Qin family, she needed to be inside their house, and the terms covered what each of them wanted out of it. Her mother died years earlier and the account of that death never held together, which is what she is there for. She has intermittent mutism and keeps it hidden, letting the household take her for a girl who cannot speak at all. Her younger sister works against her from the first day. So does Qin Ye's elder brother Qin Yu, whom the family treats with respect and who has his own designs on what the Qin name is worth. They get through one crisis after another together, and what is between them stops being only the contract. A jade pendant handed down in the family and an old diary come to light, and the two of them start putting together who was standing behind her mother's death.