Who is Dominique? When Nina first sees her in the French Museum, she senses that there is something unreal about the strange, beautiful girl. In fact, Domi is from Napolean's time, and she has come to get Nina's help. For Domi's father was executed as a traitor during the French Revolution, and Domi is convinced that Nina can prove his innocence. But to save Domi's father, Nina will have to solve a mystery that has lasted two centuries. And she will have to travel back through time, back to France and the court of the stone children...