Shakespeare fed us the myth of the Macbeths as murderous conspirators. But now Val McDermid drags the truth out of the shadows, exposing the patriarchal prejudices of history. A thousand years ago in an ancient Scottish landscape, a woman is on the run with her three companions – a healer, a weaver and a seer.

The men hunting her will kill her – because she is the only one who stands between them and their violent ambition. She is no lady: she is the first queen of Scotland, married to a king called Macbeth. As the net closes in, we discover a tale of passion,...