This story evolve around the royal family....King Yang has 3 daughter that he really love...the beauty of these princess has become a hot topic among citizen..the older princess choi ji won is a mother to prince Top and prince daesung...princess Yoo in Na's the second, mother for prince GD and prince taeyang and princess ku hye sun is the younger, she's the cutest and the most lively...she has a son, but something happen in the past, his only son has take away from her and that boy is given to the king yang servant...no one know the last prince is actually a son's servant...did they manage to find the prince? Let's the journey begin.....