Jang Ok Jung, a naturally gifted dressmaker, has her garment showcase sabotaged when it is discovered that she is the daughter of a lowly slave.

As adolescents, Jang Ok Jung and Lee Soon become involved in a first love romance during a pivotal time for both their destinies.

The preliminary round to select the Crowned Princess has begun and Jang Ok Jung finds herself involved in a most unexpected way.

Jang Ok Jung joins Lee Soon and his soldiers where she observes their training to create new and improved armor.

A plot to kill the King unfolds, and The Queen Dowager conducts a search for a court maid to mold a great destiny for.

Ok Jang begins life as a court maid, and the King attends the Prime Minister's birthday party.

Ok Jung discovers Lee Soon's true identity, and the Queen falls gravely ill.

With Queen Inkyung's passing, the Queen Mother puts a plan in motion to ensure Inhyeon becomes the next Queen.

Ok Jung finds short-lived protection with Prince Dongpyung, and Lee Soon and Inhyeon strike a deal.

Ok Jung finds her way back to Lee Soon and the Palace, but her presence continues to cause trouble with the Queen Mother.

Ok Jung finds a way to utilize her powerful secrets.

Ok Jung executes a dangerous plan, and a newcomer comes to town.

After the Queen Mother acts upon one of her devious plots, Ok Jung and Lee Soon make a pact that only strengthens their bond.

Ok Jung must find a way to counteract a deal she was forced to make.

The investigation into who poisoned the King's food comes to an end with a surprising confession.

Ok Jung and the Queen's relationship becomes even more contentious as Ok Jung prepares to give birth. The King receives news that shakes up the government.

With the King unconscious, the Western Party plots how to gain complete control and throw Ok Jung out of the Palace.

The King continues to push for Queen Inhyeon to be dethroned and for Ok Jung to take the throne.

Ok Jung's new title as Queen proves to be difficult for her to manage as she tries to forget the dethroned Queen's ominous warning.

Ok Jung must deal with the many schemes to remove her from the throne, while at the same time mending her rocky relationship with the King.

An attempted murder through poisoning is used as leverage to dethrone Ok Jung and restore In Hyeon as Queen.

A series of misfortunes falls upon the palace as both newly restored Queen Inhyeon and Crowned Prince Yoon become critically ill.

Jang Ok Jung is wrongly framed for committing crimes punishable by death, forcing the King to order her execution. But because of his love for her, he is deteremined to find a way to save her.