- Emergency doctor Lin Wantang fell to his death and was reborn as the legitimate daughter of the Zhenbei Hou Mansion. He discovered that his father was about to be poisoned and his sister was disfigured.
- Used modern toxicology knowledge to crack chronic poisons, used first aid techniques to save his father, and framed the poisoned aunt as a witch.
- Sneaked into the secret room late at night and discovered the truth about his mother's death. There was half a dragon-patterned jade pendant hidden in the crack in the wall.
