‘I know you, don’t I?’ Five words - that’s all it takes to plunge Mike Wingate and his family into mortal danger. Mike doesn’t recognise the crippled stranger who approaches him at a party... but the stranger seems to know all about him. What has Mike done? Do they have the wrong man? Overnight, the threats become attacks, and Mike, his wife, and their young daughter learn they aren’t safe anywhere - especially not their own home. He doesn’t know who they are. He doesn’t know what they want.

Nick Horrigan has finally put his traumatic past behind him...until a SWAT team smashes into his place in the middle of the night. He's told that a terrorist has seized control of a nuclear power plant and is threatening to blow it up... Unless he can talk to Nick. As Nick rockets toward the truth, peeling back layer after layer of lies and deception, only one thing is certain: the long-buried secret, tied to the traumas of his own past, threatens his life at every turn.

First, Patrick receives a DVD in the post. It shows footage of him and his wife Ariana walking, dressing, going to work - all filmed by cameras hidden in their house. Someone is clearly out to get him. And then the email arrives: GO ALONE. TELL NO ONE. DO WHAT WE SAY. OR SHE DIES. Patrick’s life is turned upside down. Suddenly this has become a matter of life and death.

Someone is setting fire to Sheffield. It starts with small things – dustbins and abandoned sheds – so people don’t notice at first. But the calling card is there if you look for it. Soon the fires spread to offices, homes, people. The Firewatcher’s followers are growing and they have one particular blaze in mind – one that the police would do well to pay attention to. But D/S Adam Tyler is distracted by a case, one that he is unknowingly connected to. And if he can’t discover the link between the fires and himself, he will burn – along with the entire city. 

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.

Van Shaw was raised to be a thief, but at the age of 18 he abruptly abandoned the illicit life and joined the US Army, leaving behind Seattle and his grandfather who taught him the trade. But after 10 years of estrangement, Van's grandfather has suddenly asked him to come home. He does so only to find his grandfather shot in the head and bleeding out on the kitchen floor....

On Sunday, February 3rd 1990, seven-year-old Danny Redpath disappeared from his home. Four months later, his body was found in the nearby forest, washed clean of all evidence. Over time, more bodies were discovered; more families devastated forever. Apprehended while attempting to abduct another child, Jonathan Egan-Walsh was charged with the murders of thirteen boys. Convicted on all counts, he received life in prison and went unrepentant, still refusing to reveal the whereabouts of one of his victims, Zachery Marshall.

It was the holiday of a lifetime - a chance for Eve Hardaway to rediscover herself following the break-up of her marriage - until Eve catches a glimpse of someone she should never have seen. She was not the first to do so. But a woman who previously laid eyes on this mysterious stranger has disappeared without trace. Soon Eve and her travelling companions look set to suffer the same fate.

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.

Jefferson Winter is no ordinary investigator. The son of one of America's most renowned serial killers, Winter has spent his life trying to distance himself from his father's legacy.When he accepts a particularly disturbing case in London, Winter arrives to find a psychopath on the loose who likes abducting and lobotomising young women. Winter must use all his preternatural brain power in order to work out who is behind the attacks, before another young woman becomes a victim.

Accused of grassing up a fellow officer and driven brutally out of home and job, DI Grace Fisher is thankful to survive some dark times and find haven with the Major Investigation Team in Essex. Any hopes of a quiet start to her new life are dashed by the discovery of the body of a female student, last seen at a popular bar in Colchester. Grace has her first case. When a second student, also out drinking, is murdered and left grotesquely posed, the case becomes headline news. Someone is leaking disturbing details to a tabloid crime reporter. Is it the killer? Or a detective close to the case?

Twenty years ago, four teenagers disappeared in the woods at a summer camp. Now, two decades later, everything is changing. Paul Copeland's sister went missing 20 years ago. Now raising a daughter alone, Cope balances family life with a career as a prosecutor. But when a homicide victim is found with evidence linking him to Cope, the well-buried secrets of the past are threatening everything.

On a mild autumn afternoon in 1882, William Trenchard sits smoking his pipe in the garden of his comfortable family home. When the creak of the garden gate heralds the arrival of an unexpected stranger, he is puzzled but not alarmed. He cannot know the destruction this man will wreak on all he holds most dear.

What I thought I knew: in 1998, Maryanne Doyle disappeared, and Dad knew something about it. Maryanne Doyle was never seen again. What I actually know: in 1998, Dad lied about knowing Maryanne Doyle. Alice Lapaine has been found strangled near Dad's pub. Dad was in the local area for both Maryanne Doyle's disappearance and Alice Lapaine's murder.

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....