It had been twenty years since Countess Zorah Rostova’s countryman Prince Friedrich abdicated his throne to marry a woman who was an unacceptable consort. Now the Prince is dead and Countess Zora claims that Princess Gisela murdered him, but cannot produce a scrap of evidence to this accusation – and neither can Monk or Hester. But as events unfold it seems that the most likely suspect is the Countess herself...