The Empress of the Last Days is the final volume of the remarkable trilogy that began with Astraea and The Pretender. A group of friends, Corinne, Theodoor and Michael, bring together their talents and knowledge to uncover the hidden story of Pelagius's royal marriage. As a result of their investigations, Michael finds himself journeying to Barbados, to meet the last descendant of the marriage of Pelagius and Elizabeth of Bohemia - a young black scientist who, unknown to herself, has a serious claim to be considered the rightful queen of England. This meeting changes both their lives, forcing them to re-examine their assumptions and the terms on which they live.