Han Bi Soo (Lee Min Ki) is South Korea’s top thriller writer who chooses not to date. Oh Joo Ying (Nana) is an actress, queen of rom-coms. But she herself absolutely does not have a romantic relationship. Yoo Jin (Kang Min Hyuk) is the heir to a famous family that owns Korea’s leading cosmetics company. After studying in France, he becomes the director of a cosmetics brand, making him the most prominent young bachelor.
Also known as: 오! 주인님 O! Juinnim / Oh! Jooinnim / Oh Master! / Oh! Master