It is after the Great War and the U.S. is experiencing an economic prosperity unlike anything ever seen before. However, all is not well, as the occurences of the ocult and devil-worshippers begin to sprout up all over the country. Enter the Magdalene Order, a special group of exorcist that use tradional methods (holy water and special metal) and infused them into the technology of the time to battle these demons and their summoners. This is the story of Rosette Christopher, a young exorcist and her close friend Chrono, a demon with a dark history, as they go on a quest to find and rescue Rosette's younger brother, Joshua, from the clutches of evil. This is going to be a trip!