Nam Rin, the heir of two major corporations is an extreme workaholic who lives to gain profit and secretly adores cute things. He has been in an unrequited love for almost a decade with his senior in high school, and now a Hollywood superstar, actress Lee Yeri. After getting a divorce with his best friend whom he married for the sake of merging with more major companies, his parents exiled him to their new Island resort. While Rin prepares to go, his childhood friend requests that Rin accomodates his little brother, Yuju for a month as well because of a dangerous stalker. Meeting Yuju after a few years, Rin was shocked at Yuju’s transformation. How would Rin be able to take care of him when they have totally opposite personalities? What is this weird feeling he gets every time he sees Yuju? Would Rin still be able to pursue his first love who’ll be returning to Seoul? Or would he have a change of heart, and preference?