Four in the morning, mid-December, and snow blankets St. Andrews School. Student Alex Gilbery and his three best friends are staggering home from a party when they stumble upon the body of a young woman. Rosie Duff has been raped, stabbed and left for dead in the ancient Pictish cemetery. The only suspects are the four young students stained with her blood. Twenty-five years later, police mount a cold case review. Among the unsolved murders they're examining is that of Rosie Duff. But someone else has his own idea of justice.

A young meteorologist checking a mountain top weather station in Kinlochleven discovers the body of a missing man entombed in ice. Cameron Brodie, a Glasgow detective, sets out on a hazardous journey to the isolated and ice-bound village. He has his own reasons for wanting to investigate a murder case so far from his beat. Brodie must face up to the ghosts of his past and to a killer determined to bury forever the chilling secret that his investigation threatens to expose.

In a town full of liars, who can you trust? When Detective Finnegan Beck is demoted from his high-powered job in Dublin and relocated in disgrace to the small Irish town of Cross Beg, he predicts boredom will be his biggest threat. But then a beautiful local teenage girl is found strangled in the cold, dark woods a mile from town. The prime suspect is the seemingly gentle drifter who found Tanya’s body. Beck seems to be the only person who can’t escape the feeling that Tanya wasn’t killed at random.

"Are you my mummy?" Tessa Markham returns home to find a child in her kitchen. He thinks she’s his mother. But Tessa doesn’t have any children. Not anymore. She doesn’t know who the little boy is or how he got there. After contacting the police, Tessa is suspected of taking the mystery child. Her whole life is turned upside down. And then her husband reveals a secret of his own. Tessa isn’t sure what to believe or who to trust. Because someone is lying. To find out who, she must confront her painful past. But is the truth more dangerous than Tessa realises?

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

The remote Irish village of Duneen has known little drama, but when human remains are discovered on an old farm, suspected to be those of Tommy Burke - a former lover of two different inhabitants - the village's dark past begins to unravel. As the frustrated sergeant PJ Collins struggles to solve a genuine case for the first time in his life, he unearths a community's worth of anger and resentments, secrets and regret.

After a woman is brutally slain, investigators bring psychiatrist Joe O'Loughlin in for expert consultation. Joe is shocked to discover the dead woman is a former patient of his who cried rape when he rebuffed her sexual advances. Citing doctor/patient confidentiality, Joe hides this information. But the truth emerges, and suddenly he is the prime suspect.

Frieda Klein is a solitary, incisive psychotherapist who spends her sleepless nights walking along the ancient rivers that have been forced underground in modern London. She believes that the world is a messy, uncontrollable place. The abduction of five-year-old Matthew Farraday provokes a national outcry and a desperate police hunt. And when his face is splashed over the newspapers, Frieda cannot ignore the coincidence: one of her patients has been having dreams in which he has a hunger for just such a child.

Melissa Craig is absolutely delighted with her new life in an old crumbling cottage, spending her days pruning the primroses and getting to know Binkie, the ginger cat next door. She only wishes she had made the move to the countryside sooner. But when a knock at the door brings news of a shocking discovery, she suddenly finds herself thrown in to the middle of a baffling mystery: the bones of a young woman have been found in the woods just behind her new home. Perhaps the little village of Upper Bembury is not as idyllic as it first seemed? Strange phone calls in the night convince Melissa that the police are barking up completely the wrong tree, so she can’t resist doing a little digging of her own. From the bingo hall to the beauty salon and beyond, her search ruffles a few feathers and uncovers many of the village’s most scandalous secrets, but gets her no closer to finding the culprit.

Cal McGill is an Edinburgh-based oceanographer, environmentalist and one-of-a-kind investigator. Using his knowledge of the waves - ocean currents, prevailing winds, shipping records - McGill can track where objects came from or where they've gone. It's a skill that can help solve mysteries ranging from disappearances to murder. Two severed feet wash up on two different islands off the coast of Scotland. Forensics shows that the feet belong to the same body.

Lisa Kallisto is the not-so-perfect model of the modern woman. During an impossibly hectic week, Lisa takes her eye off the ball for a moment and her world descends into a living nightmare. Not only is her best friend's thirteen-year-old daughter missing, but it's Lisa's fault. To make matters worse, Lucinda is the second teenage girl to disappear within the past two weeks. The first one turned up stripped bare and abandoned on the main street after a horrible ordeal. Wracked with guilt over her mistake, and after having been publicly blamed by Lucinda's family, Lisa sets out to right the wrong.

Just before dawn in the hills near the Scottish border, a man murders a young woman. At the same time, a hot-air balloon crashes out of the sky. There's just one survivor. She's seen the killer's face - but he's also seen hers. And he won't rest until he's eliminated the only witness to his crime. Alone, scared, trusting no one, she's running to where she feels safe - but it could be the most dangerous place of all....

Natty and Sean Wainwright have a rock-solid marriage and family. When their younger daughter falls ill on an overseas school trip, Natty rushes to her side. Luckily, Natty's best friend from college, Eve Dalladay, is visiting and offers to stay with Sean to lend a hand in the Wainwright household. But Natty returns home to find that Sean has fallen in love with Eve. Natty attempts to start anew, but Eve is there to knock her down again.

Margot Lewis is a teacher at an exclusive high school in the English university town of Cambridge. In her spare time, she writes an advice column, "Dear Amy", for the local newspaper. When one of Margot's students, 15-year-old Katie, disappears, the school and the town fear the worst. And then Margot gets a "Dear Amy" letter unlike any of the ones she's received before. It's a desperate plea for rescue from a girl who says she is being held captive and in terrible danger - a girl called Bethan Avery, who was abducted from the local area 20 years ago and never found.

It was meant to be a harmless stag-night prank. A few hours later, four of his best friends are dead, and Michael Harrison has disappeared. With only three days to the wedding, Detective Superintendent Grace - a man haunted by the shadow of his own missing wife - is contacted by Michael's beautiful, distraught fiancée, Ashley Harper. Grace discovers that the one man who ought to know Michael Harrison's whereabouts is saying nothing. But then, he has a lot to gain - more than anyone realizes.

Margot Lewis is a teacher at an exclusive high school in the English university town of Cambridge. In her spare time, she writes an advice column, "Dear Amy", for the local newspaper. When one of Margot's students, 15-year-old Katie, disappears, the school and the town fear the worst. And then Margot gets a "Dear Amy" letter unlike any of the ones she's received before. It's a desperate plea for rescue from a girl who says she is being held captive and in terrible danger - a girl called Bethan Avery, who was abducted from the local area 20 years ago and never found.

Eva Magnus and her daughter are out walking by the river when a man's body floats to the water's surface. Eva goes to call the police, but when she reaches the phone, she dials another number altogether.

One May evening in London, Adam Kindred, a young climatologist in town for a job interview, is feeling good about the future as he sits down for a meal at a little Italian bistro. He strikes up a conversation with a solitary diner at the next table, who leaves soon afterward. With horrifying speed, this chance encounter leads to a series of malign accidents, through which Adam loses everything—home, family, friends, job, reputation, passport, credit cards, cell phone—never to get them back.

A week's holiday in a luxurious hotel is just what Scotland Yard's Superintendent Duncan Kincaid needs. But his vacation ends dramatically with the discovery of a dead body in the whirlpool bath. Despite a suspicious lack of cooperation from the local constabulary, Kincaid's keen sense of duty won't allow him to ignore the heinous crime, impelling him to send for his enthusiastic young assistant, Sergeant Gemma James. But the stakes are raised significantly when a second murder occurs....

Dr Cat Lupo aches for another child despite the psychosis which marked her first pregnancy. So when Ruby Winter, a small girl in need of help, arrives in the middle of the night, it seems like fate. But as the events behind Ruby's arrival emerge - her mother's death, her connection to Cat - Cat questions whether her decision to help Ruby has put her own daughter at risk.

In 1964, Maggie wakes to find herself in a mental asylum, with no idea who she is or how she got there. Remnants of memories swirl in her mind - a familiar song, a storm, a moment of violence. Slowly, she begins to piece together the past and the events which brought her to this point.

Into Keldale's pastoral web of old houses and older secrets comes Scotland Yard Inspector Thomas Lynley, the eighth earl of Asherton. Along with the redoubtable Detective Sergeant Barbara Havers, Lynley has been sent to solve a savage murder that has stunned the peaceful countryside. For fat, unlovely Roberta Teys has been found in her best dress, an ax in her lap, seated in the old stone barn beside her father's headless corpse. Her first and last words were "I did it. And I'm not sorry".

Helen has had to leave everything she's ever known behind: her home, her family, even her own name. Now, returning to the UK as Ellen Newman, she moves to a small coastal village, working as a nanny for Donovan, a criminal psychologist. Attractive, caring and protective, this single father and his sweet daughter are a world away from Ellen's brutal past. But Ellen can't shake the feeling that something's wrong.

Neve comes across a troubled woman called Isabelle on Waterloo Bridge late one night. Isabelle forces a parcel into Neve's hands and jumps to her death in the icy Thames below. Two weeks later, as Neve's wreck of a life in London collapses, an unexpected lifeline falls into her lap - a charming cottage in Cornwall left to her by Isabelle, the woman on the bridge. The solution to all her problems.

Robin Ballantyne's life is finally coming together. After learning she was pregnant with twins and being abandoned by her irresponsible boyfriend, Adam, she's settling into life as a single mother. But one night, after putting the children to bed, she hears an argument and suddenly, a body falls past her window. Running outside, she finds the body of Paula Carmichael, a renowned activist.

On a fateful summer morning in 1986, two 11-year-old girls meet for the first time. By the end of the day, they will both be charged with murder. Twenty-five years later, journalist Kirsty Lindsay is reporting on a series of sickening attacks on young female tourists in a seaside vacation town when her investigation leads her to interview carnival cleaner Amber Gordon. For Kirsty and Amber, it's the first time they've seen each other since that dark day so many years ago.

Police detective Ali Barba receives an urgent letter from her estranged friend Cate. Startled by the letter's alarming tone and eager to atone for egregious past actions, Ali meets Cate at their high-school class reunion. The obviously pregnant Cate begs Ali to stop those who are trying to take her baby. But the plot takes a bizarre twist when a careening car kills Cate - and Ali discovers the truth about Cate's pregnancy.

A small-time drug dealer is found battered to death on the outskirts of the Norwegian capital, Oslo. A young Dutchman, walking aimlessly in central Oslo covered in blood, is taken into custody but refuses to talk. When he is informed that the woman who discovered the body, Karen Borg, is a lawyer, he demands her as his defender, although her specialty is civil, not criminal, law. The young man is adamant: he will speak to Karen Borg, and to her alone.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.

A body is discovered with her throat cut and her daughter believed missing. DCI Foster quickly sees parallels with the disappearance of a teenager three years earlier. With hopes fading, he calls on genealogist Nigel Barnes to piece together the links between the families of the two girls. The trail leads back to 1890, and a young couple fleeing a terrible crime in their past....