Choi Seungcheol is the son of the famous CHOI clan and Yoon Jeonghan is the son of the famous YOON clan, they came from the most powerful and wealthiest family in the whole Korea. Their family are close to each other but except for one thing, Jeonghan and Seungcheol likes to annoy and tease each other. But who knows, maybe their arguments is just a way to notice each other or a sexual tension to them?