There's a slight chill in the air and the streets are empty, or so they seem. The wind blows and leaves rustle above her head, and underneath it all there is the quietest of scuffling sounds, hardly loud enough to be distinguished from the rustling. Is it a squirrel scurrying along to its nest? An owl landing out of sight? Just a trick of the imagination? If the latter, why does it suddenly feel like the girl is being watched?