Disgraced when her village's mysterious healer, an Eastern European immigrant whom she loved and begged to help her have a child, is arrested as a war criminal, Fidelma flees to England to take migrant work, only to confront her nemesis at a tribunal in The Hague.
Stranded behind enemy lines, brave bomber pilot Nina Markova becomes the prey of a lethal Nazi murderess known as the Huntress and joins forces with a Nazi hunter and British war correspondent to find her before she finds them.