Luhan and Seohyun are childhood bestfriends. They come from a rich family, the Seo Group of Companies and the Xi Empire.They have the same feeling for each other but none of them admitted it. Their parents know the feeling of their children so one day their parents planned something for them to know their feelings for each other but in a hard way. Will they tell each other their true feelings or not ? Will their parents plan will suceed or not ?