The headless corpse hanging in the medical school dissection lab, the boxed corpse floating in the ocean, the innocent girl imprisoned for years, and the string of student suicides at the university-behind these horrifying incidents, a killer lurking in the shadows has transformed into a demon, devouring people's souls. Join Shen Zezhi and his team as they unravel the mystery, piece by piece, to uncover the truth behind these events.