A tragedy has changed Rosa Thorn's life for ever. Now she has to start again with a new job, a new school for her children and some empty space in her life. But strange things start to happen...When a growing sense of unease turns into sudden violence, Rosa fears for her safety and even more so for the wellbeing of her children. For her daughter is the subject of someone's demented infatuation. But like a diseased town fox, the real threat stalks in the shadows, in the night-black recesses of the undergrowth, not just of the city, but of the human mind...