The Arsenic Labyrinth

"Daniel Kind is finding his relationship with Miranda going through a difficult time. Feeling isolated in their rural idyll in Brackdale, Miranda has itchy feet, and Daniel fears she may just get up and leave. She wouldn't be the first: ten years ago a woman called Emma Bestwick left her cottage and disappeared, and unresolved case which has always irked DCI Hannah Scarlett, head of Cold Case Review Team. When someone starts dropping hints about Emma's death, Daniel and Hannah are drawn together again and discover that one person will preserve the secrets of the past at any price.