Shortlisted for the CWA Dagger in the Library. Ruth Galloway receives a phone call that bears shocking news. A friend of hers from college, Dan Golding, has been killed in a fire at his Lancashire home. Her shock turns to alarm when she gets a letter from Dan. He has made a discovery that will change archaeology forever but he needs Ruth's advice. Even more alarming, he sounds vulnerable and frightened. DCI Harry Nelson is also rediscovering his past. Up north for a holiday, he meets his former colleague Sandy MacLeod, now at Blackpool CID.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

Captain Arthur Hastings, invalided in the Great War, is recuperating as a guest of John Cavendish at Styles Court, the "country-place" of John's autocratic old aunt, Emily Inglethorpe - she of a sizeable fortune, and so recently remarried to a man 20 years her junior. When Emily's sudden heart attack is found to be attributable to strychnine, Hastings recruits an old friend, now retired, to aid in the local investigation. With impeccable timing, Hercule Poirot, the famous Belgian detective, makes his dramatic entrance into the pages of crime literature.

When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.