The heroine is a modern doctor who traveled back in time because of a car accident. The ancient heroine's family is rich, but her parents don't like her. She is the eldest daughter, but her character is weak and she has been bullied by the servants and her concubine sister. Because she went out to play, she was plotted and killed by her sister. After her death, her soul floated in the air. She witnessed how her sister confused right and wrong in front of her parents, and her father didn't like it. This eldest daughter was born with someone she didn't like and had nothing but disgust for her. She was so despondent that the soul of a modern doctor had replaced her and helped her to kill her concubine and concubine. She secretly cultivated her own power. To the outside world, she was a great doctor who helped the world. He was called into the palace because of some hidden diseases of the royal family. With the help of modern memory, he cured the disease that had killed many generations of the royal family and began to be involved in a royal conspiracy.
