I open the creaking oak front door of my beautiful country house to see a stranger on my doorstep. The woman is stunning with glossy red hair and flawless make up. "Can I help you?" I ask. That was my first mistake. Alexis tells me she is a distant relative and shows me a DNA match on her phone. She has no family and would love to get to know us. My husband Hugh invites her in to join our dinner party. As we drink wine, she opens up about her sad childhood. Her amber eyes are mesmerizing, and I can see my husband is being drawn in by her story. Then she asks for our help.

Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

Detective Lauren Pengelly has only been part of the Penzance police force for less than two years, but that’s enough time to know that the sleepy Cornish town doesn’t see many murders. So, when the bones of a woman with a hole in her skull are discovered behind a derelict cottage, she immediately assumes the worst. Rallying her team, Lauren is flooded with a strange sense of relief when the bones turn out to be almost twenty years old, not a recent victim. But it quickly turns to dread when she receives her second heart-stopping call of the day–a little girl, Isla, has been kidnapped.

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.

When a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

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 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.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

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?

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.

Deborah Jenkins pulls her coat around her as she sets out on her short walk home in the pouring rain. But she never makes it home that night. And she is never seen again.

Four years later, an abandoned baby girl is found wrapped in dirty rags on a doorstep. An anonymous phone call urges the police to run a DNA test on the baby. But nobody is prepared for the results. The newborn belongs to Deborah. She’s still alive.

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.

It’s been five years since Detective Amanda Steele’s life was derailed by the tragic death of her young daughter. The small community of Dumfries, Virginia, may have moved on, but Amanda cannot. When the man who killed Lindsey is found murdered, she can’t keep away from the case.

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.