"Remember you're just a replacement for your sister!" JEON JUNGKOOK, a billionaire and a ruthless gangster who partially rules the country. An arrogant personality who has no interest in marriage and love, but what will happen when his father arranges his marriage with someone who will eventually run away leaving him at the altar? KIM YN, a sweet yet dramatic lady who never wanted to get married would be forced to marry her sister's fiance after her sister ran away from the wedding. Will she remain a replacement of her sister throughout her married life or will they never be separated?
6 parts