Gunned down in the snowy wilderness and desperate for shelter, Billy Cavanagh is taken in by kooky old lady Agnes, unaware that her isolated log cabin is surrounded by bloodthirsty skinless creatures hellbent on getting inside.

In 1960s England, Blake Cunningham and his alcoholic mother are forced to move into the mysterious Clemonte Hall, a vast isolated manor house, to care for his dying Grandfather who resides in the attic room. Soon, ghostly goings-on fill the house with dread, as it becomes apparent Grandfather's illness may have a supernatural cause that can only be cured by uncovering the terrifying secrets of the house and its dark history.