Julietta, born as an illegitimate child of a nobility, is raised in an opera theatre to hide away from the eyes of the noble's main wife.

To pay back her debt, she turns into a servant and challenges the high paying job that nobody could withstand.

But her special charm could not be hidden with clothing, as she catches the attention of the crown prince. Unlike other woman who flock to him, she was brutally honest. But why was he so bothered by her?