The historical drama "Otsomae Bolkeun Kkeutdong" is based on real events. The story takes place in the 18th century in the South Korean city of Chosun. At the center of the events are the young ruler Chongjo and his concubine. Their love story unfolds within the royal palace. The crown prince falls in love with a maid who lost her parents at an early age. It's hard to believe that they could have anything in common, but these two individuals with such different social statuses try to find happiness together.