Minho loves to brag about his super hot girlfriend. But when one of his friends has a party, and tells him to bring her, he has a problem. He doesn't have a girlfriend. Krystal is in need of money, Minho asks her to be his date for one night, hoping his friends believe him. Krystal agrees when he says he will pay her. But what will happen when she blows off going to the movies with her boyfriend, Jonghyun and her best friend, Luna?