Han Qing (Wen Moyan) is an emotional counselor who is asked by a client to investigate her husband's infidelity. She becomes the personal assistant of Feng Siqian (Shen Haonan), the chairman of Huajing Group, and is forced to get involved in a carefully planned conspiracy. In order to find the truth, the two go from suspicion and testing to cooperation, mutual assistance, and honesty, and finally find the essence of marriage and their true selves.