Jeon Jungkook, is a 26 year old CEO, Pretty successful, But has a rival named Kim Minji, A pretty bold and fierce lady. They both hate each other to their guts but Jungkook has got zero idea that Minji has a younger twin sister named Kim Yn. So when Yn replaces Minji for a while, Would Jungkook be able to tell apart and moreover, would he be able to keep his emotions in check?