She is a renowned perfume designer in Fontaine. According to Calcagni, Emilie is self-employed, and her products are highly sought out by the fashionable ladies of Fontaine. She is a friend of Chevreuse, and has helped her solve some difficult cases. During the Roses and Muskets event, she was able to pinpoint for Chevreuse the exact growing location of a Rainbow Rose cultivar that had been left on a crime scene.