She, a "good-for-nothing" who is ridiculed by the world as living under someone else's roof, actually has a mysterious identity and secrets as deep as an abyss. As a thousand-year-old master of sealing, she faces numerous suppressations in a strange world where spiritual power is supreme, like a pearl covered with dust. However, ten years of being together day and night were met with the betrayal of those who raised them.

But in her clear and bright eyes, there was a mischievous smile: Was she the prey or the hunter? Perhaps everything was just beginning.

Has the person who initially turned away from her taken a wrong turn in a larger chessboard of fate?