One year ago Alex Towne's body was found. One month ago his mother saw him on the street. One week ago David Raker agreed to look for him. Now he wishes he hadn't. Mary Towne's son, Alex, went missing six years ago. Five years later he finally turned up - as a corpse in a car wreck. Missing persons investigator David Raker doesn't want the work: it's clearly a sad but hopeless case of mistaken identity brought to him by a woman unable to let go of her son.

On Halloween night, the residents of Black Gale gather for a dinner party. As the only nine people living there, they've become close friends as well as neighbours. They eat, drink and laugh. They play games and take photographs. Except those photographs will be the last record of any of them. By the next morning, the whole village has vanished. With no bodies, no evidence and no clues, the mystery of what happened at Black Gale remains unsolved two and a half years on. But then the families of the missing turn to investigator David Raker - and their obsession becomes his.

Colm Healy used to be one of the Met's best detectives. Until, haunted by the unsolved murders of a mother and her twin daughters, his failure to find an elusive killer left his life in ruins. Missing persons investigator David Raker is the only friend Healy has left. As they reopen the investigation together, Raker learns the hard way how this case breeds obsession - and how an unsolvable puzzle can break even the best detective. Their search takes them down a trail of darkness, unravelling a thread of tragedy, and forces them to sacrifice everything they have left.

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. 

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

When Ella Watson, a woman of wealth and status, is brutally stabbed to death in broad daylight, it sends a shockwave through the Lake District community. Later that day, Keira Bradley meets the same fate. But whereas Ella’s murder is a tragedy, Keira’s death on the notorious Beacon Estate is just another statistic in a dangerous place.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

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.

Deborah Jenkins pulls her coat around her as she sets out on her short walk home in the pouring rain. But she never makes it home that night. And she is never seen again.

Four years later, an abandoned baby girl is found wrapped in dirty rags on a doorstep. An anonymous phone call urges the police to run a DNA test on the baby. But nobody is prepared for the results. The newborn belongs to Deborah. She’s still alive.

Kate Marshall was a promising young police detective when she caught the notorious Nine Elms serial killer. But her greatest victory suddenly became a nightmare. 15 years after those catastrophic, career-ending events, a copycat killer has taken up the Nine Elms mantle, continuing the ghastly work of his idol. Enlisting her brilliant research assistant, Tristan Harper, Kate draws on her prodigious and long-neglected skills as an investigator to catch a new monster. But there's much more than her reputation on the line: Kate was the original killer's intended fifth victim....

How can a child vanish without a trace? Last night, eight-year-old Daisy Mason disappeared from a summer party at her home. No-one at the party noticed her leave. Even her parents aren't sure of the last time they saw her. DI Adam Fawley is trying to keep an open mind. But he knows that in nine cases out of 10, it's someone close to the victim. When a pair of bloody tights is discovered, Fawley's worst suspicions are concerned. Someone knows where Daisy is. And her time is running out.

When a man is found on a Norfolk beach, drifting in and out of consciousness, with no identification and unable to speak, interest in him is sparked immediately. From the hospital staff who find themselves inexplicably drawn to him, to international medical experts who are baffled by him, to the national press who call him Mr Nobody - everyone wants answers. Who is this man? And what happened to him?

A new twist to a decades old mystery. 1990. A young woman goes missing while backpacking in Thailand. She is never seen again. 2016. Her bones are discovered 6000 miles away in an English field and, within hours, the boyfriend who reported her disappearance all those years ago is dead. So begins a hunt to solve her murder that will take DI Ray Mason and PI Tina Boyd into a dark and terrifying world of corruption and deadly secrets, where murder is commonplace, and nothing and nobody is safe....

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.