The family successfully petitions against plans to build a stamp museum next to their house but in a compromise with the council, end up with the cemetery being moved next door.
Perturbed by her new next door neighbours, Lisa starts having nightmares and has to sleep in Marge and Homer's room.
Marge and Homer enlist the help of a psychologist to help unlock Lisa's fear. Can Lisa conquer her phobia of the cemetery?
"I don't know how I reproduce yet, but we'll have fun figuring out how." -Milhouse