After Rebirth, I Gave up My Engagement and Took Charge of the Court

Yun Xiaoyue mistakenly believed in others in her previous life, and was poisoned by the fake daughter Yun Shiyu and the ambitious prince Xuan, and died tragically at the border. Once she was reborn, she returned to the night before her haircut. Top medical skills and toxicological knowledge emerged from her mind out of thin air, and all the betrayals and schemes in the past were vividly remembered. Her eccentric parents watched her being ostracized, her grandmother was troubled by worries, and her personal maid Qingsha had been wronged because of her suspicions. She would never let anyone manipulate her again in this life.