Newlywed Grace Monroe doesn't fit anyone's expectations of a successful 1950s London socialite, least of all her own. When she receives an unexpected inheritance from a complete stranger, Madame Eva d'Orsey, Grace is drawn to uncover the identity of her mysterious benefactor. Weaving through the decades, from 1920s New York to Monte Carlo, Paris, and London, the story Grace uncovers is that of an extraordinary women who inspired one of Paris's greatest perfumers. Immortalized in three evocative perfumes, Eva d'Orsey's history will transform Grace's life forever, forcing her to choose between the woman she is expected to be and the person she really is.