When the chaos of good and evil becomes difficult to distinguish, it is destined that a force will draw a clear line between them, and it is four ignorant girls who bear this great mission. They each possess unique skills, but they encounter setbacks many times during their efforts. Behind love is betrayal, and the safety of their loved ones is the motivation. Mutual encouragement allows them to exchange confidence, but there are unspeakable ups and downs at every step. In the end, can they get the happiness they expected? Can the complicated and confusing conspiracy succeed? Is hatred being influenced as it spreads? The bloody storm is approaching quietly, and the intrigues inside and outside the palace walls gradually become apparent. In the end, will love surpass everything?