Plot
It is Yi Dynasty. King Myeong Jong passed away leaving the crown prince. His 4 concubines are expelled from the palace. Bok-Nyo is among them. A week before she goes into the palace to get out of poverty, she bcomes pregnant. After former king dies, the king's mother who doesn't like new king gives the post of crown prince to Bok-Nyo's baby. When Bok-Nyo comes back to the palace, she confesses the truth to attendants of king's mother. Later when she gets in danger caused by treacherous men, Byeong-Cheol, her husband and real father of the baby, saves her and baby from bad men.
