Bitterness. Cold. Hotheaded. Are all things that Kim Minjeong, the young CEO, is familiar with. She's rich and successful, and very smart in managing the company so it remains the top in South Korea. But none of her employees want to get along with her because they don't want to become victims of her temper. When a young woman, Yoo Jimin, is assigned to be her secretary, she soon realizes that she is entering hell and dealing with the devil herself. No matter how excellent Jimin's work is, Minjeong will always hate her. But Jimin slowly falls in love with the devil, and things become more complicated than ever.

My brother is the famous Jeon Jungkook, everyday at school all his fans come running towards him with fan gifts, and me, well I just hang around on the side. I, Jeon Heejin am nothing. I want to be like my brother but it just doesn't work. Until... Part 1 of the series Cats&Rabbits