In the middle of this novel is a fairy tale gone horribly wrong - where the princess (Princess Sophia Dorothea) kisses a frog (George Louis of Hanover) and he stays a frog. Brought up in the lap of luxury and love, the sheltered child of a German Count and his French born wife, she proves to be an only child, and the heiress of quite the fortune. Because of this she is caught up in the dynastic machinations of those who do not value her for her sweetness, innocence and beauty.
There are plenty of unsavory characters in this story, as foils to Sophia's goodness. They are painted in some complexity by Plaidy, as are her minor characters such as Eleonore von Knesebeck, Sophia's lady in waiting. The dashing hero in the story, the Swedish Count Philip Konigsmarck, has his share of flaws. Plaidy describes a whir of a world, where aristocrats dance, play cards, gamble, and have mistresses. And small minded people indulge in intrigue. When the intrigue gets serious, it threatens to pull Sophia's world away from her.
There is a lot going on in this historical novel, and it was powerful to me because I knew nothing of this Sophia Dorothea of Celle, George Louis of Hanover (later George I of England), much less all of the Counts and Electors in Germany at that time. A tragic bit of history done very well by the Mistress.