13th Prince Wang Baeka is chosen to lead soldiers in pacifying the slaves of Hubaekje. Jeong reveals to So his plan to marry Hajin and take her away from the palace.
3rd Prince Wang Yo's mental and physical health continue to dwindle, and So takes advantage. Princess Hwangbo Yeonhwa and Queen Hwangbo come up with a new plan for the future of their family.
Hajin tries to push aside her feelings for Wook, while Lady Hae tries to push the two closer together. So adjusts to his new life in the palace, though not everyone is delighted by his presence.
Hajin's feisty behavior gets her into trouble with 10th Prince Wang Eun, as well as the mysterious and dangerous So. The spiritual ritual ceremony arrives.
After seemingly drowning in the present day, Go Hajin wakes up in the Goryeo era, assuming the body of Lady Hae Soo. The princes of the palace nervously await the return of their brother, 4th Prince Wang So.