What happens when you are betrayed by someone you love The most ? your mind is filled with anger you're hurt and then you think of avenging that person. Kim taehyung and Lee yn were highschool sweethearts they loved each other to the core but a misunderstanding led their relationship to break up. Year's later when Kim taehyung has developed his own empire and has become a ceo of a clothing brand he is not the same person anymore, that heartbreak has turned him into a ruthless, arrogant playboy. While Lee yn is still the sunshine she used to be. Always seeking others comfort before her. Yn is in need of money she needs to help her family pay a loan. Her dream to become a model is crushed due to this. When she finds out that a clothing brand is offering people jobs she decides to give it a shot, not knowing taehyung owns the clothing brand.