Someone is killing old spies. Retired and forgotten, these relics from the Cold War are being removed—quietly and brutally. And when “Section D” MI5 agent Tom Marlowe, on medical leave after a botched mission, learns his old mentor is one of the murdered ex-agents, he starts an investigation that threatens to cost him his career, his freedom…and even his life.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

When a violent summer storm hits the Lincolnshire Wolds, the tiny village of Bag Enderby falls foul of the devastating deluge. Homes are flooded, fallen trees lie across the winding lanes, and in one picturesque valley, a terrible secret is unearthed – a woman’s body is discovered floating among the debris.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

When a body is found on a lonely cliff top path, the angelic face of a murdered teenager lies facing the rising sun. Strangled by the hands of an unknown killer, it falls to DI Tom Janssen and his fledgling team to find out how she came to be there. Destined for a career in medicine, one to rival that of her parents, Holly Bettany’s future was as bright as it had been privileged. Seemingly, all that could threaten this promising teenager’s life was Holly herself.

After an elite criminal profiling unit is shut down amid a storm of scandal and mismanagement, only one person emerges unscathed. Forensic psychiatrist Doctor Alexander Gregory has a reputation for being able to step inside the darkest minds to uncover whatever secrets lie hidden there, and soon enough he finds himself drawn into the murky world of murder investigation. In the beautiful hills of County Mayo, Ireland, a killer is on the loose. Panic has a stranglehold on its rural community, and the Garda are running out of time.

America is under attack. Thousands lie dead after simultaneous strikes across the country. The day will come to be known as Bloody Monday. Jason Trapp, codename ‘Hangman’, was a covert operative whose feats became the stuff of legend. He was the tip of the spear—the man his country unleashed when all hope was lost. Six months ago, someone sold him out. The Agency listed him as killed in action. He lost everything—and everyone—he held dear. But Trapp’s not that easy to kill.

A man’s body washes up on a beach on the North Yorkshire coast with a single gunshot wound to the chest. The only clue to the victim’s identity is a ring engraved with two names. DCI Tom Raven is back in his hometown of Scarborough for the first time in over 30 years. When offered the chance to lead the murder investigation, he takes it. Raven quickly discovers that the prime suspect is his once-teenage friend, now a wealthy but shady businessman. He finds an ally in Detective Sergeant Becca Shawcross, but not everyone in the team is on his side.

Hogmanay. New Year's Eve. A dead teenager, another missing. One hell of a case. Meet DS Vicky Dodds. Settling down for a nice Hogmanay with her daughter and her best friend, a phone call pulls DS Vicky Dodds into work and to a deadly new case. A teenage girl, her body cooling in a cold, dark supermarket car park. Found next to her friend’s car, but the driver’s missing too — has the killer taken her? Or is she the killer?

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.

It's DS Logan McRae's first day back on the job after a year off on the sick, and it couldn't get much worse. Four-year-old David Reid's body is discovered in a ditch - strangled, mutilated and a long time dead. There's a killer stalking the Granite City and the local media are baying for blood. If that wasn't enough, Logan also has to contend with a new boss, DI Insch, who doesn't suffer fools gladly and thinks everyone's a fool.

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.