A female forensic doctor traveled through time and became a transparent orphan girl in the world of "A Dream of Red Mansions". She possesses modern forensic knowledge, but she lives in a large feudal family that regards corpses as ominous and autopsies as witchcraft. She must use scientific means to uncover the truth about the murders buried in the Jia family before everyone burns her to death as a heretic, and at the same time stirs up the fate of the twelve beauties of Jinling.