Life in the Scottish Highlands is anything but boring for 16-year-old Ellie Lucas. Her home, Glenwillow Castle, is a portal to the afterlife, the boy she loves a ghost charged with guarding it and her murderous great-great uncle is back from the dead, intent on causing trouble. With so much in her life unresolved, Ellie clings to her ghostly love, Flynn, but then he goes missing in the portal, and one by one her friends desert her, too. Add to that the strange voices she keeps hearing, plus her uncle's blood-thirsty schemes to claim her castle for himself, and Ellie begins to wonder if her...