Detective Inspector Avison Fluke is a man on the edge. He has committed a crime to get back to work, concealed a debilitating illness and is about to be made homeless. Just as he thinks things can't get any worse, the body of a young woman is found buried on a Cumbrian building site. Shot once in the back of the head, it is a cold, calculated execution. When the postmortem reveals she has gone to significant expense in disguising her appearance, Fluke knows this is no ordinary murder.

A tenacious Maori detective, Hana Westerman juggles single motherhood, endemic prejudice, and the pressures of her career in Auckland CIB. Led to a crime scene by a mysterious video, she discovers a man ritualistically hanging in a secret room and a puzzling inward-curving inscription. Delving into the investigation after a second, apparently unrelated, death, she uncovers a chilling connection to an historic crime: 160 years before, during the brutal and bloody British colonization of New Zealand, a troop of colonial soldiers unjustly executed a Maori Chief.

Koenig has been on the run for six years. Now suddenly his face is on every television screen in the country and his cover is blown. A woman has gone missing, and her father will do anything to find her. He wants Koenig to discover what happened, no matter the cost.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Natalka and Edwin are perfect if improbable partners in a detective agency. At eighty-four, Edwin regularly claims that he’s the oldest detective in England. He is a master at surveillance, deploying his age as a cloak of invisibility. Natalka, Ukrainian-born and more than fifty years his junior, is a math whizz, who takes any cases concerning fraud or deception. Despite a steady stream of minor cases, Natalka is frustrated. She loves a murder, as she’s fond of saying, and none have come the agency’s way. That is until local writer Melody Chambers dies.