An ordinary college student, Lee Seol (Kim Tae Hee : IRIS, Love story in Harvard , Stairway to heaven ) finds out she's a princess. The grandson of Daehan Group, Park Hae Young (Song Seung Hun : East of Eden, Summer Scent, Autumn in my heart ), is put in charge of educating Seol on proper etiquette. However, Hae Young is put in a precarious situation when he finds himself drawn to Seol, the girl who will take away his inheritance if the monarchy is restored.