A young woman's body is discovered on a deserted footpath. It seems like a simple crime for DCI Sophie Allen and her team to solve. But not when the victim's mother is found strangled the next morning. The case grows more complex as DCI Sophie Allen discovers that the victims had secret histories, involving violence and intimidation. There's an obvious suspect, but Detective Allen isn't convinced. Could someone else be lurking in the shadows, someone savagely violent, looking for warped revenge?

When five-year-old Ava Sawyer goes missing from a birthday party at a local garden center, the police are bewildered by the lack of leads. That is, until two years later, when Ava’s body is found and another little girl, Audrey Briggs, goes missing. Audrey also attended that party. Leading the investigation is Detective Natalie Ward. A mother of two teenagers, this case chills her to the bone and is a disturbing reminder of the last job she worked on. One that still keeps her awake at night.

Oxford, 1960. There's a murderer on the loose, and two unlikely heroes are poised to solve the case. Meet Trudy Loveday - smart, enthusiastic and always underestimated. In the hope of getting her out of the way, Trudy is assigned to help coroner Clement Ryder as he reopens the case of a young woman's death. She can't believe her luck - she is actually going to be working on a real murder case. Meanwhile, the rest of the police force are busy investigating a series of threats and murders in the local community, and Clement can't help but feel it's all linked.

When the body of mother Charlotte Brannon is discovered by her husband, Adam, in their bedroom, Detective Natalie Ward is first on the scene. The killer has left a chilling calling card: The word Why? written on the wall in blood. As Natalie begins to delve deeper into the couple’s lives, she discovers that Adam has a dark past he’s been hiding, and she’s sure that the Brannons' teenage babysitter, Inge, has secrets of her own.

Detective Chief Inspector Ryan retreats to Holy Island seeking sanctuary when he is forced to take sabbatical leave from his duties as a homicide detective. A few days before Christmas, his peace is shattered, and he is thrust back into the murky world of murder when a young woman is found dead amongst the ancient ruins of the nearby priory. When former local girl Dr. Anna Taylor arrives back on the island as a police consultant, old memories swim to the surface, making her confront her difficult past.

Meet DI Hillary Greene, a police woman fighting to save her career. Not only has she lost her husband, but his actions have put her under investigation for corruption. Then a bashed and broken body is found floating in the Oxford Canal. It looks like the victim fell off a boat, but Hillary is not so sure. Her investigation exposes a dark background to the death. Can Hillary clear her name and get to the bottom of a fiendish conspiracy on the water?

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.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Police detective Carter McLean is the only survivor of a plane crash that kills his four best friends. He returns to work, but he is left full of guilt and terrible flashbacks. So for each of his four friends he decides to complete something that they left unfinished....

Rock climbers can't afford to make careless mistakes. But Detective Inspector Nick Dixon's former climbing partner, Jake Fayter, died doing just that. Or so it seems. Dixon suspects foul play, but his only leads are unreliable accounts of something odd happening in Cheddar Gorge seconds before Jake fell.

It’s a cold winter evening, and rain is sweeping in from the Atlantic when a young woman, having braved the weather to visit her sick mother in a remote part of Ireland, comes across an obstacle in the road. She clears the highway of stones from a damaged bridge only to see the body of a woman in a ditch. With no phone reception, she travels to the nearest police station to report what she has found. The local Garda waste no time in attending the scene of the crime. 

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Five figures gather 'round a shallow grave. They had all taken turns to dig. An adult-sized hole would have taken longer. An innocent life had been taken, but the pact had been made. Their secrets would be buried, bound in blood. Years later a headmistress is found brutally strangled, the first in a spate of gruesome murders that shock the Black Country.

The body of a young woman is found on the streets of East London, in the shadow of the City's gleaming towers. No ID on her, just hard-earned cash. But there is no doubting the ferocity of the attack. DI Simon Fenchurch takes charge but, as his team tries to identify her and piece together her murder, they're faced with cruel indifference at every turn - nobody cares about yet another dead prostitute.

After surviving a vicious knife attack, which left her husband dead, DI Rosalind Kray returns to work and is handed a serial killer investigation. This killer is different; he doesn’t just want to take the lives of his victims, he wants to obliterate their very existence. The murders appear random, but the killer selects his quarry with meticulous care. While fighting her superiors, Kray must conquer her own demons, which are tearing her apart. She has the ability to think like a killer, and her skills lead to a series of horrifying revelations that turn the case on its head.

When billionaire philanthropist Sir Hugo Fletcher is discovered murdered in his London home, tied naked to a bed, the scandal is only a shadow of the darkness lurking off-camera. Laura Fletcher returns from an Italian vacation to find her home under siege by paparazzi. Is she shocked? Yes. But is she distraught? Not exactly. Chief Inspector Tom Douglas reveals his suspicions that Hugo’s killer is female. The deeper Douglas digs, the more sordid details he uncovers.