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, 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 woman who inspired one of Paris’s greatest perfumers.