There are places where the skin of the world is thin. Here, miracles walk the streets, and nightmares haunt the alleyways. Welcome to the Narrows. Bex belongs to a hidden society of misfits, homeless, and runaways who live in the Narrows - the hidden paths that lie behind even the darkest of alleyways. For years they have lived invisibly alongside ordinary city-dwellers, with their own allegiances, their own dreams and deaths, loves and wars. Except that the Narrows are closing, and nobody knows why, and the things that hunt them have begun to chase them onto the daylight streets...