In 19th-century Baltimore, Detective Emmett Fields (Luke Evans) makes a horrifying discovery: The murders of a mother and daughter resemble a fictional crime described in a story by Edgar Allan Poe (John Cusack).When another murder occurs, also seemingly inspired by Poe's writings, Fields realizes a serial killer is on the loose and enlists Poe's help in catching the felon. The stakes become personal for the struggling author when someone close to him may become the killer's next victim.