Siwoo works under a strict and intimidating female team leader who acts cold and demanding around the office. One day, he accidentally discovers a much more vulnerable and embarrassing side of her, changing the way he sees her completely. As the two continue working together, their relationship becomes filled with awkward tension, teasing, and emotional drama. Beneath her harsh personality, Siwoo begins to realize that his boss is lonelier and more complicated than she appears. The story mixes office romance, comedy, and mature situations.