In order to repay the family's huge debt and investigate the truth about his father's bankruptcy, Shen Qinghe, a wealthy man, entered into a contract marriage with the powerful Gu Tingchen. She used his power to take revenge, but she didn't know that she had become the only obsession in his heart ten years ago. In this marriage in the name of "transaction", she was sober and guarded her heart step by step, while he carefully weaved a dragnet just to make her sink completely.
