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She is a modern trainee forensic doctor. When she was on duty late at night, she was summoned by a woman who claimed to be her aunt and was summoned to the body of an idiot in ancient times. She was also forced to find out the truth about his death. She thought she could return to modern times by finding out the truth, but unexpectedly she was detained by her aunt to clean up the ghost's grievances full-time. She also met an ice cube face who was always against her... People know that ghosts are scary, and ghosts know that people's hearts are poisonous. Humans and ghosts all have different paths, Yin and Yang are divided into two paths, hell is empty, and ghosts are in the world.