On a snowbound February day, when Georgina first saw Furze Pen - a picturesque thatched cottage in a peaceful valley on Dartmoor - she thought it just the place to recover from the recent nightmare of her job in London. True, the cottage was cold and isolated, and the neighbours weird and strangely threatening. But Georgie needed to work out her life, and Furze Pen seemed as good a place as any - until the terrors started.