Leo Stone is a ruthless killer or the victim of a miscarriage of justice. Convicted of the murder of two women and sentenced to life in prison, he's free and declaring innocence. DS Maeve Kerrigan and DI Josh Derwent are determined to put Stone back behind bars, but the more Maeve finds out, the less convinced she is of his guilt. A similar disappearance of a women happens. Is there a copycat killer, or are they wrong about Stone? A humane, compelling and deeply intelligent crime novel.