Synopsis
Princess Kum-Sung yearns Kim Mu-young, the palace guard. Unable to bear her jealousy, she plots against Kim’s wife and manages to impute her for being immoral. Forbidden to live in Yeo-ju, she climbs the mountain everyday, overlooking Seoul, and prays for the well-being of her children. However, even though Mrs. Kim is outcasted, the Princess is yet to be satisfied, and kills Mrs. Kim’s children by poison. After learning the atrocities, Mrs. Kim turns into a fox and pledges revenge on the Princess.