Wang Zi was a noble girl in her previous life, but because of her credulity and betrayal by her lover, she died unjustly and her family was destroyed. Reborn back before the tragedy, she carried the memories of her past life and was filled with hatred, determined to change her destiny. However, she found that she was reborn as a girl from a poor family. The double disadvantages of being a woman and coming from a poor family made it difficult for her to move forward in this troubled world where the aristocratic family had only one hand to cover the sky. After accidentally getting a scroll of fragments of various schools of thought, Wang Zi disguised herself as a weak woman during the day and a counselor traveling around the world at night. She uses her past life memories and what she has learned in this life to get closer to her enemies in her past life and make new allies at the same time. When the undercurrent of the conspiracy of the seven kingdoms unites, Wang Zi uses the world as a chess game and turns the superior nobles into pawns, vowing to overturn this unfair world and seek justice for himself in the past and present life.