Lu Zhiwei marries into Prince Jing's household as the heir's wife, but shortly after her wedding, she discovers that dark secrets are concealed within the estate. Faced with her husband's deliberately hidden past and the tangled conflicts accumulated by her own birth family, she refuses to endure everything in silence. Through careful investigation and verification, she untangles one deliberately buried incident after another and brings the truth into the open. After confronting the matter before the imperial court and settling the accounts, she breaks free from the constraints of her marriage and family, successfully obtains a divorce, and reclaims in full the dowry and businesses left by her mother. From then on, she devotes herself to running her pharmacy and helping others with kindness, finally finding a peaceful and independent life of her own after all the turmoil.