At seventeen, Lenora Hope / Hung her sister with a rope. Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope's End, the cliffside mansion where the massacre occurred....

Judy Glassman lives with her brother, Kenny, and father, Noah, in a village at the foot of Evil Rock. Every winter, Kenny accompanies their dad up to the mansion at the top of the mountain to assist the rich, eccentric Grendel family with their house repairs. But this year, Judy convinces her dad to let her come too. Judy has heard whispers about the Beast of Evil Rock -- a half-human creature who stalks the crags. And she's determined to find out...