Miller has his hands full when a powerful binding comes undone causing a shocking explosion in the city. Cooper asks for his help to come up with a mundane explanation for a major arcane event. A stranger appears on the road to the Stronghold putting Miller on alert. All the while, he has to take care of the people in his community who are fast becoming an odd but wonderful family. With threats on all sides, Miller struggles to solve the strange puzzle of who and what was released before the Darkness can get an upper hand.