A mathematical law states: parallel lines do not intersect. And yet, in ordinary life it doesn’t apply. Otherwise, why would three fates—seemingly unrelated to one another—converge at one point: French aristocrat Charlotte Lepelletier de Saint-Fargeot, the sweet young lady Tatiana Lazareva living in Petrograd, and a modest doctor from a maternity home in a small town—Valentina Makarova? They come together so that a story that began during the time of the French Revolution…