A “compelling . . . oddly intriguing” psychological thriller set in fin-de-siècle Paris from the New York Times–bestselling author of Black Lamb and Grey Falcon (The New York Times). During early revolutionary stirrings in Russia, after an unexpected turn of events, Laura Rowan, the coddled granddaughter of an exiled British nobleman, becomes her grandfather’s sole companion on a fateful train ride. In France, a young revolutionary approaches Laura and her grandfather with information that will turn her world upside down, and their travels become a thrilling journey into the heart of the struggle against Tsarist Russia.  In this suspenseful novel, West brings to life a battle between entitled imperials and the passionate, savvy communist revolutionaries who dare to face them.