An unknown dancing girl who looks like the regent's former consort is given to him as a concubine by the prime minister.
Her family is poor, and everything she does is for her parents. She never tries to win favor, yet the regent dotes on her without end. He treats her with great tenderness, teaches her to read and write, and picks out books for her. She had hoped to be content within the walls of this residence, but then her parents are murdered, and all her dreams turn to ashes!
Behind these high walls, everyone wears a mask and puts on a show. Fine, then: she'll rip off their masks one by one and expose the monsters lurking beneath!