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. 

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. 

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. 

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. 

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. 

An old friend's sister disappears without a trace. There's no sign of foul play, but she'd been acting very peculiarly. Meanwhile, Liz's cousin, Christie, comes to stay. She takes an immediate - and uncharacteristic - dislike to the local bookshop owner, Gina. Why does everyone put up with her awful behavior? Christie is convinced that Gina is manipulating everyone around her. Is she onto something dangerous or just pushing her new friends away? No one believes her suspicions until another friend goes missing late at night on the misty Fen marshes.

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.

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?

A victim killed with a single, precise stab to the heart appears at first glance to be a robbery gone wrong. A caring, upstanding social worker lost to a senseless act of violence. But for Detective Kim Stone, something doesn't add up. When a local drug addict is found murdered with an identical wound, Kim knows instinctively that she is dealing with the same killer. But with nothing to link the two victims except the cold, calculated nature of their death, this could be her most difficult case yet.

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 teenager Sadie Winter jumps from the roof of her school, her death is ruled as suicide - a final devastating act from a troubled girl. But then the broken body of a young boy is discovered at the same school and it’s clear to Detective Kim Stone that these deaths are not tragic accidents. As Kim and her team begin to unravel a dark web of secrets, one of the teachers could hold the key to the truth. Yet just as she is about to break her silence, she is found dead.

After a violent home invasion in the remote wilds of Glen Coe leaves a family of four dead, DCI Jack Logan and his team are brought in to lead the manhunt. But, when one of the victims is revealed to be one half of legendary 1980s Glasgow-based comedy double act, Neeps & Tatties, Logan is forced to leave the Highlands and head back to his old stomping ground.

When the decomposed remains of a body are found entombed in the depths of a disused Manchester cotton mill, Detective Chief Inspector Rachel King is called in to investigate the grisly discovery. With gunshot wounds to the knees, this was no accident. This was murder. But the question is: was this a gangland killing or a murder motivated by a deadly secret closer to home? With the help of DS Elwyn Price, Rachel must follow the trail evidence where it takes her. But who can she trust? And who in this notorious area knows more than they’re admitting to? 

One moonlit night, the bodies of two young people are discovered lying entwined on a blanket in the woods. The young man is clutching a red rose. It appears to be a lovers' suicide pact.... Until Detective Nikki Galena and DS Joseph Easter look more closely. Romeo and Juliet, as they decide to call them, were murdered somewhere else and brought to the woods. But why? Then another young couple are found dead, again beautifully posed as lovers. 

On a Dublin city street, packed with afternoon Christmas shoppers, a young woman appears, naked, traumatised and bearing burn marks. Tom Reynolds, now chief superintendent, is no longer head of the murder squad. But when it transpires the woman escaped from a house fire started deliberately and that there are more victims, including a baby, Tom is sucked in. What begins as a straightforward case of arson, soon becomes something much more sinister. The people in that house never wanted to be there in the first place. Now more of them are missing.