Chronicles the story of New York City's first forensic scientists to describe Jazz Age poisoning cases, including a family's inexplicable balding, Barnum and Bailey's Blue Man, and the crumbling bones of factory workers. The untold story of how poison rocked Jazz Age New York City. A pair of forensic scientists began their trailblazing chemical detective work, fighting to end an era when untraceable poisons offered an easy path to the perfect crime.