'The coffin is made of dark wood, it looks so small, and there is already a layer of snow on it' One snowy day in Copenhagen, six-year-old Isaiah falls to his death from a city rooftop.The police pronounce it an accident.But Isaiah's neighbour, Smilla, suspects murder.She embarks on a dangerous quest to find the truth, following a path of clues as clear to her as footsteps in the snow.