Sixteen-year-old Nathalie Baudin, the writer of a newspaper's daily morgue report, must use her supernatural visions to discover the identity of a killer targeting the young women of nineteenth-century Paris.
Although suffering the effects of her magic, Nathalie Baudin and her fellow Insightfuls investigate who is using a guillotine and displaying beheaded victims at the 1889 Exposition Universelle in Paris.