Jungkook is the step-brother of your future husband. You two are enemies to each other. You agreed to marry Jihoon for 2 billions so that he can satisfy his family, they've been looking for a girl for their son so he asked you to play the role of his lover, but Jungkook wants to prevent him. He does anything to make you fall in love with him so you forget about the marriage, but he is the one who is losing his heart to you..

It was late, you were drunk with your friends at the bar. A mistake happenes. Instead of Jihoon, you call Jungkook and ask him to come for you..