Iceland, 1686. The brutal, lava-scarred landscape can swallow a man without so much as a volcanic gasp. Jon Eiriksson has just married his second wife in a year. But Rosa's new home in the windswept village of Stykkisholmur is terrifyingly isolated - the villagers are suspicious of strangers and fearful of something which they will not name. What is Rosa's new husband's secret, and why does the spectre of his first wife Anna haunt them so?