The "frail and sickly" eldest daughter of the Dingyuan Marquis Mansion, whose appearance was ruined by a fire three years ago, wears a veil all day long, has a gentle and tolerant personality, and is a famous "waste beauty" in the capital. Her true identity is the daughter of the former minister of Dali Temple. Her family was framed for rebellion and her entire family was executed. She is the only survivor. She goes by the pseudonym "Ghost Doctor" and secretly investigates family injustices. She uses her superb medical skills and disguise skills to travel around the world and collect evidence. The veil she wore was not disfigurement, but a disguise. From the "ghost doctor" who was obsessed with revenge and emotionally closed, to gradually unraveling the knot in his heart, he finally chose to let go of hatred, work with his lover to uncover the ultimate conspiracy, and gain a new life.