Celtic folklore and modern moxie collide as an ancient pact between worlds is broken. The sinister forces of Faerie have slipped their shackles, and the Black Dog walks abroad this night. On the rural Isle of Man, aspiring singer-songwriter Kay Farragher dreams of escaping her humdrum life. But she's about to get more than she bargained for-and some bargains are not to be trusted. Cold Iron is supernatural thriller from Andy Diggle and Nick Brokenshire. Collects Cold Iron #1-4.