Mayor Jones is being haunted in his own home. Fred places his mystery-solving future on the line if he cannot get to the bottom of this haunting.
Fred's dad is being attacked in his home by an unknown shadowy figure, and the gang has to get to the bottom of the mystery. The gang discovers a second piece of the planispheric disk that the mayor is hiding, and finds that Pericles is the one responsible for the attacks on the Mayor. When asked about the mayor's piece of disk, Pericles states that the mayor stole it from him a long time ago.