When Jed Allen wakes up at a desk in New York City, he has no idea who he is. The evidence around him shows he's a hotshot architect, and a photo in his wallet reveals he has a beautiful girlfriend named Cassie. But when he goes home to seek her help, Cassie is nowhere to be found. Self-penned notes remind Jed that he's been suffering bouts of amnesia since a car crash nine months ago. As he plays private detective with the facts of his own life, he discovers more and more about his character.

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.

Eight years ago, Elliott Nash’s daughter was murdered. Since then, everything the brilliant former criminal psychologist had is a memory - his child, his career, his wife, and his home. Now he lives on the streets around Washington, DC, with only a bottomless well of guilt and nightmares to make him feel alive. Until Amy Scowcroft solicits his help. 

When a young reporter is found dead and a prominent Philadelphia businessman is accused of her murder, Mick McFarland finds himself involved in the case of his life. The defendant, David Hanson, is Mick's best friend, and the victim, a TV news reporter, had reached out to Mick for legal help only hours before her death. Mick's played both sides of Philadelphia's courtrooms. As a top-shelf defense attorney and former prosecutor, he knows all the tricks of the trade. And he'll need every one of them to win.

Ten years ago, PI Jessie Cole and reporter Ben Morrison each suffered a tragedy that changed their lives - and now these two strangers are about to share a nightmare. For Jessie, who makes her living finding missing persons, no case has consumed her more than the disappearance of her younger sister, Sophie. But left alone to raise Sophie's daughter, she realizes that solving the case has become an unhealthy obsession.

Florida homicide detective Maggie Novak has seen hundreds of brutal murder cases, but when she is called out to investigate the charred remains of a young woman one Halloween night, she is confronted with a twenty-year-old secret. The body is formally identified as that of school counselor Dana Cullen, but a distinguishing mark makes Maggie look again. She believes it is the body of her school friend Rita, who perished in a fire twenty years ago. Maggie’s hunt for the truth behind the murder takes her back to a cruel high school trick she’s desperate to forget.

Eva Driscoll is used to chasing down bad guys, but now the bad guys are chasing her. She knows they won’t stop until she’s dead. After her brother is killed in a faked suicide, Driscoll teams up with ex-soldier Rees Colback, the one person who can help her find answers. Together they’re determined to uncover why members of his Special Forces squad are dying in mysterious circumstances. But with every agency in the country in hot pursuit, their only choice is to flee. The clock is ticking. They can’t run forever. It’s time to make a choice: kill or be killed...

On a chilly morning in rural Suffolk, Cassandra Hawke is woken by a gunshot. Her mother is clinging on to her life, the weapon still lying nearby. Everyone thinks it’s attempted suicide - but none of it makes any sense to Cass. She’s certain there’s more to it than meets the eye. With her husband and father telling her she’s paranoid, Cass finds an unlikely ally in student paramedic Holly. Like Cass, she believes something is wrong, and together they try to uncover the truth. But is there more to Holly’s interest than she’s letting on?

In seven days, Maggie’s son, Max, turns three. But she’s not planning a party or buying presents or updating his baby book. She’s dreading it. Because in her world, third birthdays are the days on which the unthinkable happens...she loses her child. For the last 12 years Maggie has been imprisoned in a basement. Abducted aged 15, she gave birth to two sons before Max, and on their third birthdays her captor came and took them from her. She cannot let it happen again. But she has no idea how to stop it. And the clock is ticking.... 

Vicky Lewis is a force to be reckoned with: not yet 30 and already Crew Manager in the London Fire Brigade, she's destined for great things. But when she enters a burning building to save a man's life and leaves it with catastrophic injuries, all that changes. She's shunted over to the Fire Investigation Unit, where she's forced to team up with cantankerous veteran Des Farmer, aka the Grouch.

When you're the best at what you do, it's not always easy to walk away. Nathan McBride was retired. The trained Marine sniper and covert CIA operative had put the violence of his former life behind him. But not anymore. A deep-cover FBI agent has disappeared along with one ton of powerful Semtex explosive, enough to unleash a disaster of international proportions. The U.S. government has no choice but to coax Nathan out of retirement.

To Rebecca it was a brave decision that led to her freedom from domestic abuse. To Solomon it was the ultimate betrayal. It's been ten years since Rebecca's testimony saw Solomon locked away. Enough time for the nightmares to recede, the nerves to relax; enough time to rebuild her life and put the past behind her. Then one day a phone rings in her bedroom - but it's not her phone.

When a girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help. 

Struggling to balance her personal and professional life, young DS Becca Vincent has landed the biggest case of her career - and she knows that it will make or break her. But she can’t catch the culprit alone. Together with facial recognition expert Joe Russell, she strives to get a lead on the elusive murderer, who is always one step ahead of them. Time is not on their side. The body count is rising, and the attacks are striking closer and closer to home. Can Becca and Joe uncover the connection between the murders before the killer strikes the last name from his list?

An abandoned building goes up in flames. Six women are chained inside and left to die - the truth is left to burn with them. Only one piece of evidence remains, but will it be enough to find their killer? Retired detective Warren Carter has been suffocated by grief for his wife and is looking for a new start. But when he gets a call that cuts to the heart of the force, investigating a corrupt police officer, he has to accept. This time, though, he’s going to have to face his demons and work out who to trust when the truth is guarded by his own colleagues.