After Park Jiyeon's parents announce they will be going to the states for business matters for a whole year. Her one and only brother, Park Jimin, volunteers in taking care of her, by having her live with him in the BTS house under his protection. Will Jiyeon survive the time living in a house of dorks, especially with Jeon Jungkook who isn't at all pleased to have a girl living under the same roof as him. 

What happens when Park Jiyeon the nice sweet rich girl clashes worlds with Kim Myungsoo the arrogant rich guy? And they are forced to get married? Will they both put their diffrences aside and learn to live with each other or just keep on hating themselves for the rest of their lives?