Enter a gothic story of madness and cruelty, where the bonds of sibling loyalty are tested to the grave and beyond. High on the hill, Cavington Hall lurks like a beast surveying its territory. Spoken of in hushed whispers, it is home to Doctor Charles Cavington, last of a family cursed by genius and insanity in equal parts. It has now become home to twelve year old Apple. A run-away, she is forced into the doctor's service as payment for saving her brother's life. While Apple struggles to cope with her loneliness and isolation, the mysteries surrounding Doctor Cavington are growing. What exactly is his interest in the two siblings? Is there any truth to his strange tales of Guardians and Reapers, ethereal figures he claims are responsible for dealing with the souls of the dead? And what is making that thumping noise in the locked nursery at night?