Restless and uncertain of her future in the wake of World War I, former battlefield nurse Bess Crawford agrees to travel to Yorkshire to help a friend of her cousin Melinda through surgery. But circumstances change suddenly when news of a terrible accident reaches them. Bess agrees to go to isolated Scarfdale and the Neville family, where one man has been killed and another gravely injured. The police are asking questions, and Bess is quickly drawn into the fray as two once close families take sides, even as they are forced to remain in the same house until the inquest is completed.

A rash of poison pen letters has enveloped the sleepy English village of Walmsley Parva in cloud of suspicion and paranoia. But when rampant aspersions culminate in murder, enquiry agents Beryl Helliwell and Edwina Davenport must stamp out the evil-minded epistles....

London, 1889. Veronica Speedwell and her natural historian beau Stoker are summoned by Sir Hugo Montgomerie, head of Special Branch. He has a personal request on behalf of his goddaughter, Euphemia Hathaway. After years of traveling the world, her eldest brother, Jonathan, heir to Hathaway Hall, was believed to have been killed in the catastrophic eruption of Krakatoa a few years before. But now a man matching Jonathan’s description and carrying his possessions has arrived at Hathaway Hall with no memory of his identity or where he has been.