When a mysterious stranger turns up making claims that threaten Lady Fowling's legacy, librarian Hayley Burke must dig deep into her late-benefactor's history to uncover the truth. Hayley was already crestfallen that Fowling's unscrupulous nephew, Charles Henry Dill, has been assigned to her as a personal assistant. After Dill is accused of murder, however, Hayley springs into action to resolve this difficult case—her third, following upon Murder Is a Must.