After her parents' accidental death by mushroom poisoning, young Aurora Grimeon is sent to live with her estranged grandfather on Ossuary Isle, deep in the southern swamps. Joined by her grandfather's pet raccoon Missy, Aurora explores the fog-covered island of graves. Along the way she meets its sinister residents who care for the tombstones and mausoleums, living out their lives by the strange rules of Hoodoo magic. When ghostly things start happening out in the swamp and island residents start disappearing, Aurora thrusts herself into the middle of the mystery, uncovering secrets that might be better left buried.