When a collection of human bones is unearthed during a routine archaeological dig, a Black Country field suddenly becomes a complex crime scene for Detective Kim Stone. As the bones are sorted, it becomes clear that the grave contains more than one victim. The bodies hint at unimaginable horror, bearing the markings of bullet holes and animal traps. Forced to work alongside Detective Travis, with whom she shares a troubled past, Kim begins to uncover a dark, secretive relationship between the families who own the land in which the bodies were found.

They thought they were safe. They were wrong. The murder of a young prostitute and a baby found abandoned on the same winter night signals the start of a disturbing investigation for Detective Kim Stone - one which brings her face to face with someone from her own horrific childhood. As more sex workers are murdered in quick succession, each death more violent than the last, Kim and her team realize that the initial killing was no one-off frenzied attack, but a twisted serial killer preying on the vulnerable.

When the body of a doctor is discovered brutally murdered in local woodland, Detective Kim Stone is shocked to discover the victim is Gordon Cordell - a man linked to a previous case she worked on involving the death of a young schoolgirl. Gordon has a chequered past, but who would want him dead? As the investigation gets underway, Gordon’s son is involved in a horrific car crash which leaves him fighting for his life. Kim's sure this was no accident.

Westerley research facility is not for the faint-hearted. A "body farm" investigating human decomposition, its inhabitants are corpses in various states of decay. But when Detective Kim Stone and her team discover the fresh body of a young woman, it seems a killer has discovered the perfect cover to bury their crime. Then a second girl is attacked and left for dead, her body drugged and mouth filled with soil. It's clear to Stone and the team that a serial killer is at work - but just how many bodies will they uncover?

When nine-year-old best friends Charlie and Amy disappear, two families are plunged into a living nightmare. A text message confirms the unthinkable; that the girls are the victims of a terrifying kidnapping. And when a second text message pits the two families against each other for the life of their children, the clock starts ticking for D.I. Kim Stone and the squad.

When a rapist is found mutilated in a brutal attack, Detective Kim Stone and her team are called in to bring a swift resolution. But, as more vengeful killings come to light, it soon becomes clear that there is someone far more sinister at work.

On the fourth floor of Chaucer House, two teenagers are found chained to a radiator. The boy is dead but the girl is alive. For Detective Kim Stone every detail of the scene mirrors her own terrifying experience with her brother Mikey, when they lived in the same tower block 30 years ago. When the bodies of a middle-aged couple are discovered in a burnt-out car, Kim can’t ignore the chilling similarity to the deaths of Erica and Keith - the only loving parents Kim had ever known. 

In the darkness of a cold December morning, Detective Kim Stone steps through the doors of Halesowen Police Station. She’s about to meet her team for the first time. When the body of a young man is found beheaded and staked to the ground in a secluded area of the Clent Hills, Kim and her new squad rush to the crime scene. This audio edition includes exclusive bonus content.

When Detective Kim Stone is called to the home of Samantha Brown, she finds the young woman lying in bed with her throat cut and a knife in her hand. With no sign of forced entry or struggle, Kim rules her death a tragic suicide. But a visit to Samantha’s parents rings alarm bells for Kim - there’s something they’re not telling her. And, when she spots a clue in a photograph, Kim realizes she’s made a huge mistake. Samantha didn’t take her own life, she was murdered. 

Late one summer evening, Detective Kim Stone arrives at Haden Hill Park to the scene of a horrific crime: a woman in her 60s tied to a swing with barbed wire and an X carved into the back of her neck. The victim, Belinda Evans, was a retired college professor of child psychology. As Kim and her team search her home, they find an overnight bag packed and begin to unravel a complex relationship between Belinda and her sister Veronica. 

In a busy shopping center, a little girl clutches a teddy bear, clinging to it in the absence of her mother, Katrina. Hours later, Katrina’s body is discovered in an abandoned building. For Detective Kim Stone, it looks like a quick, functional murder. But Kim’s instincts tell her there’s more to this senseless murder than meets the eye. What was the motive for killing a young mother out shopping with her child? 

When Detective Kim Stone is called to a local business, what she sees leaves her speechless. The photo on the driving license bears little resemblance to the man laid out before her, and she knows she’s up against the most twisted killer she has ever encountered. But as she breaks the devastating news to the victim’s wife, Diane Phipps, Kim can’t help feeling that something isn’t quite right about the woman’s reaction. 

On a cold icy morning, a mother wakes to find her daughter’s blood-soaked body frozen to the road. Who would carry out such a horrific killing on the victim’s doorstep? Straight off her last harrowing case, Detective Erika Foster is feeling fragile but determined to lead the investigation. As she sets to work, she finds reports of assaults in the same quiet South London suburb where the woman was killed. One chilling detail links them to the murder victim - they were all attacked by a figure in black wearing a gas mask.

When a battered suitcase containing the dismembered body of a young man washes up on the shore of the river Thames, Detective Erika Foster is shocked. She's worked on some terrifying cases but never seen anything like this before. As Erika and her team set to work, she makes the link with another victim - the body of a young woman dumped in an identical suitcase two weeks ago. Erika quickly realizes she's on the trail of a serial killer who's already made their next move.

One August afternoon, eight-year-old Grace Lennard skips into the garden of the childcare center she attends and vanishes into thin air. Rushing to the scene of Grace’s disappearance, Detective Kim Stone finds a chilling piece of evidence: the engraved heart bracelet belonging to Melody Jones - the little girl who was taken from a playground exactly 25 years ago. Hours before, Steven Harte had walked into Halesowen police station and confessed to having information that would lead Kim to Melody. And he told Kim she’d have a more urgent problem to deal with first.