When a failed entrepreneur is temporarily left in charge of his aunt's huge gothic home, he knows he must be able to make a profit from it somehow. Murder, he decides, is the only way to do it. For Madingley Grange is the perfect venue for a 1930s murder-mystery weekend, and Simon Hannaford – with the reluctant help of his long-suffering sister – soon hatches a plan for money-spinning mayhem. From the conservatory to the claret cellar, the clues are carefully sprinkled. But when the guests arrive, it is obvious that the game won't be going as planned.

Detective Lauren Pengelly has only been part of the Penzance police force for less than two years, but that’s enough time to know that the sleepy Cornish town doesn’t see many murders. So, when the bones of a woman with a hole in her skull are discovered behind a derelict cottage, she immediately assumes the worst. Rallying her team, Lauren is flooded with a strange sense of relief when the bones turn out to be almost twenty years old, not a recent victim. But it quickly turns to dread when she receives her second heart-stopping call of the day–a little girl, Isla, has been kidnapped.

When a body is found on a lonely cliff top path, the angelic face of a murdered teenager lies facing the rising sun. Strangled by the hands of an unknown killer, it falls to DI Tom Janssen and his fledgling team to find out how she came to be there. Destined for a career in medicine, one to rival that of her parents, Holly Bettany’s future was as bright as it had been privileged. Seemingly, all that could threaten this promising teenager’s life was Holly herself.

The village of Badger's Drift is the essence of tranquillity. But when resident and well-loved spinster Miss Simpson takes a stroll in the nearby woods, she stumbles across something she was never meant to see, and there's only one way to keep her quiet. Miss Simpson's death is not suspicious, say the villagers. But Miss Lucy Bellringer refuses to rest: her friend has been murdered. She is sure of it.

Detective Sergeant Chris Waters got the call at 05.29 that July morning. This is it, said DCI Reeve, you'll be first there, it's all yours, you're the crime scene manager. Suddenly, after months of waiting and wondering, Waters finds himself in at the deep end, and alone at the scene of a puzzling murder. As the investigation proceeds, the detectives at Kings Lake Central find themselves visiting familiar places and talking to some familiar faces, while old enmities reappear in the incident room. Before this is over, Chris Waters will need to make a career-changing decision.