The butchered body of a professor is found in a private office of Exeter University. It is the first in a spate of horrific murders that shakes the city to its core. Who would target a seemingly innocent man, and why? DS Imogen Grey and DS Adrian Miles turn to his students for answers, but their investigation turns up no leads. Someone must know more than they’re letting on.... 

One summer. One stranger. One killer.... Two bad things happened that summer: a stranger arrived. And the first girl disappeared. In the wake of the crime that rocked her hometown, Felicity fled, knowing more than she let on. But 16 years later, her new life is shattered by the news that a second girl has gone missing in Sidmouth. 

Lee, southeast London. A young girl has disappeared. There are no witnesses, no leads, no clues. The police are tracking a shadow, and time is running out.... DI Ellen Kelly is at the top of her game - at least she was, until she took the law into her own hands and confronted her husband's killer. Now she's back at work, leading the investigation into the missing child. Her superiors are watching her; the distraught family is depending on her. Ellen has a lot to prove. And she knows it.

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.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

Meet Zoe Finch, West Midlands Police's newest Detective Inspector. She's outspoken, ambitious, and damaged. And she's working a case that could make her career, or cost her everything...Fresh from the success of the Canary investigation into depravity and corruption at the highest levels, she's attracted attention. Not least from Assistant Chief Constable Bryn Jackson. But when Jackson is brutally murdered on the night of his retirement party, Zoe is dragged into a case that's deeply personal.

When two murders happen in Chicago, a witch hunt ensues, and Kristin quickly finds herself at the centre. The problem is she isn't sure of what she did or didn't do. Armed with a life insurance payout, she runs away to Sweden to start her life over. But it's not that easy to escape the past. And whatever she's done, someone is on her tail, wanting her to pay.... The question is: could she be a killer and not even remember?

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.

When the remains of a young woman are discovered near to Branodunum, a Roman archaeological site on the Norfolk coast, DI Tom Janssen and his team must work to discover who she was and how she came to be buried there. The area is steeped in myth and folklore, a site excavated many times over the years. Just how long has she lain there...and who wishes she'd never been discovered? As the victim’s life comes into sharp focus, it appears there is far more to those who crossed her path than anyone previously realised.

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.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl. 

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

Police officer Sebastian Clifford never planned on becoming a private investigator. But when a scandal leads to the disbandment of his London based special squad, he finds himself out of a job. That is, until his cousin calls on him to investigate her husband’s high-profile death, and prove that it wasn’t a suicide. Clifford’s reluctant to get involved, but the more he digs, the more evidence he finds. With his ability to remember everything he's ever seen, he's the perfect person to untangle the layers of deceit.