Long ago, Kim Jun-oh's ancestor was cursed to lose the thing he loved most once he turned 50. The curse has been passed down for generations, and Jun-oh has lost all hope. At the same time, Lim So-eun is determined to avenge her ancestor. Yes, it's true that the people she hates are cursed already, but they have done something she cannot forgive... Jun-oh and So-eun are soon enterwined when they first meet at school as enemies. But is it bad... That they are drawn to each other?