In her previous life, she was a crown princess, but was usurped by her sister-in-law and given poisonous wine by her husband. Only when she died did she realize that she was just a pawn on his chessboard.
After being reborn, she will no longer be a knife in anyone's hands.
She married King Su, the "sick man" whom she had rejected in her previous life, and used his influence to make a living.
But when she was secretly stirring up trouble in the court and liquidating her enemies one by one, she discovered that this bedridden man had a deeper secret hidden in his eyes than hers - and it was never an accident that he chose her.
