Business legend Gu Yanzhi and crisis public relations expert Shen Ange signed a one-year "contract marriage" for their respective purposes. During the day, they are a loving model couple; at night, they are "rivals" who test each other and whose identities remain a mystery. When business war conspiracies intersect with family strife, they discover that each other's true identities and purposes are far more complicated and dangerous than they imagined. And this marriage that started as a transaction has quietly gone out of control...