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.

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?

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. 

In the far north of Norway a man lives a peaceful existence. However one day his younger brother, always the more successful and charming of the two, turns up to visit, accompanied by his new wife. It soon turns out that the little brother is not quite as angelic as he seems.

As a massive storm batters the Scottish coast, Gordon Smith’s home is falling into the North Sea. But the crumbling headland has revealed what he’s got buried in his garden: human remains. With the storm still raging, it’s too dangerous to retrieve the bodies, and waves are devouring the evidence. Which means no one knows how many people Smith’s already killed and how many more he’ll kill if he can’t be stopped. The media are baying for blood, the top brass are after a scapegoat and ex-Detective Inspector Ash Henderson is done playing nice. 

Officially Max McLean doesn't exist. An off-the-books assassin for the British government, he operates alone. But when a routine hit goes badly wrong, a cryptic note on a $100 bill prised from his target's dead fingers suggests there's more to the mission than meets the eye. Is someone from Max's former life trying to send him a message? From Paris to Jerusalem and on to the frozen wastes of Northwest Russia, Max is forced into a desperate race for the truth - with unknown enemies determined to stop him at any cost. 

Cal Hooper thought a fixer-upper in a remote Irish village would be the perfect escape. After 25 years in the Chicago police force and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But then a local kid comes looking for his help. His brother has gone missing and no one, least of all the police, seems to care. Cal wants nothing to do with any kind of investigation, but somehow he can't make himself walk away.

Siglufjörður: an idyllically quiet fishing village in Northern Iceland, where no one locks their doors - accessible only via a small mountain tunnel. Ari Thór Arason: a rookie policeman on his first posting, far from his girlfriend in Reykjavik - with a past that he’s unable to leave behind.

On a snowy winter evening in 1982, 21-year-old Mary Brown accepted a ride from a handsome stranger in the resort town of Breckenridge, Colorado. The trip ended with her brutally beaten and raped. Mary survived, but her predator's violence had only just begun. After 10 years in prison, Tom Luther was released a far more vicious criminal. Soon, from the Rockies to West Virginia, like Ted Bundy, Luther enticed a chain of women into his murderous trap.

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.

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.

A victim. A mutilated body. A single word. A young woman is found dead on the streets of London. Her throat slashed, her body mutilated, and one word carved into her flesh: “DON’T.” Detective Superintendent Ray Paterson is assigned to the case. Young, handsome and from a wealthy background, he’s tipped for the top. He joins a team based out of Bermondsey, South London. It’s meant to be a stepping stone to his next promotion, but this case will threaten to bring down his career and everything he thought he knew about policing. 

It's 1975. A baby, minutes old, is forcibly taken from its devastated mother. In 2010, the body of an elderly woman is found in a Dublin public park in the depths of winter. Detective Inspector Tom Reynolds is working the case. He's convinced the murder is linked to historical events that took place in the notorious Magdalene Laundries. Reynolds and his team follow the trail to an isolated convent in the Irish countryside. But once inside, it becomes disturbingly clear that the killer is amongst them....

You come home to find your wife missing - and the body of a woman you've never seen in her place. A phone in her hand starts to ring. A voice says you have 24 hours to clear your name; 24 hours to save your wife. But there's only one way to do it. You must kill someone for them. Someone you've never heard of. A complete stranger. And the clock is ticking.

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.