She is the most "good" substitute daughter in the capital, but she can force people to break their guard at night; he is the Zhou eldest grandson who appears to be weak but is actually in charge of the situation. He pretends to be impeccable, but completely loses control after she says, "Stop pretending." Getting married, taking physical exams, seizing power, investigating cases, and protecting people, every step was filled with an undercurrent that was so sweet that it made her heart warm: He protected her, and she revealed his secrets with her own hands.