Jeon Enterprises and Park's Avenue have been dominating the business world for ages now. Mr. Jeon the current CEO of Jeon Enterprises and Mr. Park, the current CEO of Park's Avenue may not be related by blood, but they have a bond like brothers loyal than any other. Things haven't been this good for Mr. Jeon's younger son Jeon Jungkook and Mr. Park's younger daughter Y/N. Both of these kids have been best of friends like their fathers with something more in that. Due to some reasons Y/N suffers from depression and gets hooked to substances and is thus sent to America by her family to continue her studies and went to a rehab too. Park Y/N was in America for a break and her studies and also in rehab, but now it's time for her comeback to Korea and things are going to be complicated due to the huge MISUNDERSTANDINGS.