1920s London isn't the ideal place for a brilliant woman with lofty ambitions. But research assistant Saffron Everleigh is determined to beat the odds in a male-dominated field at the University College of London. Saffron embarks on her first research study alongside the insufferably charming Dr. Michael Lee, traveling the countryside with him in response to reports of poisonings. But when Detective Inspector Green is given a case with a set of unusual clues, he asks for Saffron's as...