Overview:
Yoo Seol-Ok was the type of person who enjoyed reading about mysterious situations and had aspirations of becoming a private investigator, but after she got married, she gave up on pursuing her ambition. She has since become a housewife, and her husband is a prosecutor by profession. She gets a chance to speak with Ha Wan-Seung. They decide to work together to solve cases after realizing he is an enthusiastic detective.