Yerin a bartender in YR Bar.. Arrogant and always ready for a fight.. But one day.. She met a mysterious girl.. That caught her attention.. Hwang eunbi.. Who is a daughter of a millionaire.. Who died because of his uncle. Waiting for her to graduate college.. To take over the company from his uncle. She was engaged to jungkook.. But she found out something about his fiance.. The two will meet accidentally. Will the accident meeting lead into something?