Empress Ki

Sungnyang disguises herself as a man and works to free women who were sent to be Yuan concubines. King Wang-ko orders Sungnyang to get close to Wang-yu to lure him into an ambush.

Sungnyang reveals to the Crown Prince that there is a spy among them. Prince Togon is exiled to Koryo.

Sungnyang mistakes the Yuan Prince for a Yuan soldier. For his protection, the Koryo King barricades the prince within the Koryo palace.

The Yaun Prince asks Sungnyang to teach him how to defend himself. El Temur plans a full-on attack on Daechong Island.

Nyang and Prince Togon continue their way to Kaegyong to find the Koryo King. Meanwhile, El Temur takes Koryo's palace under his command.

Yom falls for Nyangs trick. Prince Togon becomes conflicted about choosing to tell the truth or becoming emperor of Yuan.

The King of Koryo finds out that Sungnyang is a woman. Meanwhile, at the capital of Yuan, Tanasiri is taking lessons to be empress.

Nyang plots to take revenge on Emperor Togon during his wedding ceremony. The King of Koryo and Yom Byongsu are to duel to see who will be commander.

The Koryo King defeats Yom, but is given poor resources to prepare for battle. El Temur is enraged when he finds out the Emperor has taken a concubine.

The Koryo King leads his men to their first victory against the Turks. The Emperor makes Sungnyang a part of his retinue.

The Empress orders Sungnyang to feed Lady Pak a powder that will cause her a miscarriage. The Emperor further suspects Nyang of being Sungnyang.

Nyang is ordered to spread rumors that Lady Pak is faking her pregnancy. General Bayan disguises himself as Batolu.

Lady Pak is brought in front of the inquisition to be reexamined. Nyang receives a written promise to be let out of the palace, but gets caught by the Emperor.

The previous Yuan Emperor is said to have written a blood vow before his death and all are scrambling to find it.

Wang-yu comes up with a plan to infuriate El Temur, but needs Nyang to accomplish it. The Emperor challenges Wang-yu to a soccer match.

Wang-yu finds out that Nyang was the one to help and decides to not see her again.

The Emperor and the Queen Dowager ask Wang-yu if he is interested in marrying one of the princesses. The Emperor opens a shadow play for Yang.

The palace fills with rats and begin the curse of the late Khan. The emperor decides to actively search for the Blood Vow.

Wangyu and Yeonchul comes up with a plan to fake Yeonchul's death and find out who are loyal to him.

Wangyu meets with the Dowager and wins her trust. Wangyu asks Nyang if she wants to be his Queen once he goes back to Koryo.

Wang-yu receives permission from the Regent to return to Koguryo.

The emperor decides to hide the injured Nyang in the pavilion so the regent's men cannot find her.

Nyang gives birth to a son with a unique dot on his feet. The emperor and Wang-yu finds out about Nyang and plans his revenge against the empress.

Nyang is found by Bayan in Liaoyang province while she is being sold as a slave. Nyang discovers the blood vow and shows it to Bayan.