At night, troubled alcoholic Billy Kane fears what lurks in the shadows, forcing him to run further from the painful memories of his past. As he spirals, his Mum, Mary, struggles to find a way to help him, but an emotional encounter with Joanne could be the salvation both her and Billy need. As the pressure mounts, with Billy on the brink, will Mary and Joanne make it to him before the dark Wolf that stalks him finally sinks its teeth in.