After protesting the construction of a stamp museum scheduled to be built on their neighboring lot, the Simpsons are dismayed when they discover that what they thought was a successful relocation of the museum to a cemetery lot turns into a creepy nightmare when that cemetery moves next door. When Lisa's sleepless nights become too much for Homer and Marge, they turn to a psychiatrist for advice. Meanwhile, Lisa chooses to face her fears dead-on by visiting the cemetery alone late one night.