1814 - 1815 The Irish Witch is dead, and Europe at peace. Roger Brook, now Lord Kildonan, is content to divide his time between his young wife, Mary, and his life-long mistress and spirit-companion, Georgina. But as the fashionable world glitters at the Congress of Vienna, the power-hungry Napoleon is about to plunge the continent into war once more. And Mary, possessed by demonic jealousy, is hatching a plot which threatens Roger's fortune – and Georgina's life. Reluctantly, Roger Brook must assume his old identity – as Europe's most daring secret agent.