DI Amy Winter is hoping to follow in the footsteps of her highly respected police officer father. But when a letter arrives from the prison cell of Lillian Grimes, one half of a notorious husband-and-wife serial-killer team, it contains a revelation that will tear her life apart. Responsible for a string of heinous killings decades ago, Lillian is pure evil. A psychopathic murderer. And Amy’s biological mother. Now, she is ready to reveal the location of three of her victims - but only if Amy plays along with her twisted game.

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.

Newly married Natasha has the perfect house, a loving husband, and a beautiful little girl called Emily. She’d have it all if it wasn’t for Jen, her husband’s ex-wife who just won’t leave them alone. Then Natasha returns home one day to find her husband and Emily gone without trace. Desperate to get her daughter back, Natasha will do anything even if it means accepting an offer of help from Jen.

"Your daughter is dead." When Kat Cavanaugh hears the words every mother dreads, her perfect world shatters. She takes in the beautiful long blonde hair, torn yellow dress, and chipped blue nail-varnish. It can’t be real. And then the police add the word "suicide". But Kat refuses to believe them. Even when they show her the familiar looping handwriting and smudged ink on the note her little girl left behind. She knows her bubbly, vivacious daughter would never take her own life.

A teacher goes missing under suspicious circumstances and a man is murdered at a local reservoir. For Detective Robyn Carter, there's no obvious link between the cases. But as she starts to delve into them, her investigations lead her to Abigail, perfect wife and mother to beautiful little Izzy. What was Abigail's connection to the victims? And why is she receiving threatening messages from an anonymous number?

When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

A shadow follows Sophie. Watching. Waiting. Her instinct tells her that it's someone she knows. But who? The man she met Internet dating? The nurse caring for her ill mother? Or is her mother faking her illness? The only thing she knows is that she can't trust anyone. Sophie must delve into a dark history to reveal her stalker. But there are some stories that should never be told.

Last year, Tom and Caroline Johnson chose to end their lives, one seemingly unable to live without the other. Their daughter, Anna, is struggling to come to terms with her parents' deaths, unwilling to accept the verdict of suicide. Now with a baby herself, Anna feels her mother's absence keenly and is determined to find out what really happened to her parents. But as she digs up the past, someone is trying to stop her. Sometimes it's safer to let things lie....

Zoe didn't meet her daughter the way most mothers do. She finds five-year-old Maddie alone and dirty on a countryside road. Frightened for Maddie's safety, she picks her up and takes her back to her father, not knowing what she's about to step into. Because Maddie wasn't just lost; she was there to lure her serial killer dad's new victim. After escaping from the clutches of Maddie's dangerous father, she bonds with the little girl. Only Maddie knows what it was like to be at that house. And when no family members come forward to claim Maddie, Zoe decides to adopt her.

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.

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.

The people who call End of the Line need hope. They need reassurance that life is worth living. But some are unlucky enough to get through to Laura. Laura doesn’t want them to hope. She wants them to die. Laura hasn’t had it easy: she's survived sickness and a difficult marriage only to find herself heading for forty, unsettled and angry. She doesn't love talking to people worse off than she is. She craves it. But now someone’s on to her - Ryan, whose world falls apart when his pregnant wife ends her life, hand in hand with a stranger.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

I haven’t lived here long. The house is small and a little run-down, but each piece of faded floral wallpaper I peel away feels like unwrapping the second chance I never thought I’d get. I’m finally free to wear what I want, and I don’t flinch when I accidently burn dinner. My new home is warm, and the kids are safe inside. Anywhere would feel idyllic after the nightmare marriage I’ve just escaped.