Jang Bong-hwan is a top chief in modern-day Seoul. He works in the Blue House ( the home of the south Korean president). He is good at his job but gets into trouble because of his attitude. One day, after a strange accident, he falls into swimming pool and loses consciousness. When he wakes up, he is no longer in his own body or time. He finds himself inside the body of a women. Queen Cheorin who is living in the Joseon dynasty, many years in the past. Now he is shocked! He is a man, but people see him as the queen. At first, he tries everything to escape and go back to his real world, but nothing works. So, he decides to lives as Queen Cheorin until he can find a way home. Queen Cheorin is married to King Cheoljong. But this marriage is not simple. The King acts kind and weak, but h is secretly smart and strong. He hides his true self to protect the people. The Queen's family is powerful and tries to control the King, but Queen Cheorin ( with Bong-hwan's smart brain)fights back in funny and clever ways. The Queen(with Bong-hawn inside) does not act like a normal queen. She speaks like a man , eats a lot, jumps into lakes, and makes everyone confused and surprised. The court ladies and palace people start to like her strange but fun behavior.