Historical mystery dramas can be a neat combination of genres, especially if theyre like The Apothecary Diaries. Based on Natsu Hygas novel, it tells the story of Maomao, an apothecary taken from her home in the red-light district to serve the emperor. At first, she planned to keep to herself, but after learning the emperors children were critically ill, she examined them in secret and discovered why they were sick.