Choi Sang Eun, is a woman possessing many great qualities and virtues. As the perfect partner, she chooses a career of helping single men who don't want to get married instead of getting married herself. Jung Ji Ho is a mysterious character whose occupation, hobbies, and personality are shrouded in a veil of secrecy. He has been in a long-term contract with Choi Sang Eun for Mondays, Wednesdays, and Fridays for his fifth year.
