This is part one of two of a special Dungeons and Dragons campaign set in a Lady Science world, called Herbarium Heist. Joined by special guests, Stephen McGann from “Call the Mdiwife,” Alexis Pedrick from Distillations Podcast, and Jessica Lynn Parsons from “The Dungeon Run,” your hosts embark on a mission to save London from a cholera epidemic. For credits and transcripts, visit www.ladyscience.com