As girls, Diana Aspley and Alice Simmonds swore that they would be friends forever. So Diana is devastated when she receives the news that Alice has died in unexplained circumstances. Then during her first London Season, she thinks she catches sight of a familiar figure from a carriage window ... Diana is determined to get to the truth about Alice's fate, even if she has to persuade the aloof and eminently eligible Edgar Godolphin to help her.