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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .