Maeve Kerrigan is an ambitious detective constable, keen to make her mark on the murder task force. Her male colleagues believe Maeve’s empathy makes her weak, but the more she learns about the latest victim, Rebecca Haworth, from her grieving friends and family, the more determined Maeve becomes to bring her murderer to justice. But how do you catch a killer no one has seen? And when so much of the evidence they leave behind has gone up in smoke?

Ingrid will never forget what John did. The people he hurt. The way he lied about it so easily. The way she defended him. Now he’s back. He says a murderer is after her. He says only he can protect her. Would you trust him? The clock is ticking for Ingrid to decide. Because the killer is ready to strike again.

Sally Diamond cannot understand why what she did was so strange. She was only doing what her father told her to do, to put him out with the rubbish when he died. Now Sally is the centre of attention, not only from the hungry media and worried police, but also a sinister voice from a past she has no memory of. As she begins to discover the horrors of her childhood, recluse Sally steps into the world for the first time, making new friends, finding independence, and learning that people don't always mean what they say.

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.

Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

Scores are dead or injured. But who was the killer's true target? On a misty morning in the Lake District, two men depart by helicopter from a private estate. Below, they see the stunning views of Wast Water, with Scafell Pike ahead, where fell runners are competing atop England's highest mountain. It's at this moment that the pilots lose control, and crash into the mountain top. Runners and bystanders are caught in the devastation. This is the scene that greets DI Kelly Porter.

Alex lives a comfortable life with his wife Beth in the leafy suburb of Silver Vale. Fine, so he’s not the most outgoing guy on the street, he prefers to keep himself to himself, but he’s a good husband and an easy-going neighbour. That’s until Beth announces the creation of a nature trail on a local site that’s been disused for decades and suddenly Alex is a changed man. Now he’s always watching. Questioning. Struggling to hide his dread... As the landscapers get to work, a secret threatens to surface from years ago.

Oliver Ryan is a handsome and charismatic success story. He lives in the suburbs with his wife, Alice, who illustrates his award-winning children's books and gives him her unstinting devotion. Their life together is one of enviable privilege and ease - enviable until, one evening after supper, Oliver attacks Alice and beats her into a coma. In the aftermath, as everyone tries to make sense of his astonishing act of savagery, Oliver tells his story.

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.

For one week, everything in Luke Miller's life is perfect. Surprised with a belated honeymoon by his wife, Rose, he's had seven days with her in a Caribbean paradise. It's more than he ever thought he'd deserve. But as they pack their bags, Rose breaks down, confessing that on the day they left London, a violent man from her past tracked her down and broke into their home. He wasn't expecting her to fight back. And, in her terror, Rose killed him. Now there's a dead body in Luke's apartment, and only one person he can think to turn to.

On a hot July night in 1983, six school friends go camping in the forest. Bright and brilliant, they are destined for great things, and young Aurora Jackson is dazzled to be allowed to tag along. Thirty years later, a body is discovered. DCI Sheens is called to the scene, but he already knows what's waiting for him: Aurora Jackson, found at long last. But that's not all. The friends have all maintained their innocence, but the body is found in a hideaway only the six of them knew about. It seems the killer has always lurked very close to home.... 

Forty years ago, Harriet Vanger disappeared from a family gathering. Her body was never found, yet her uncle is convinced it was murder - and that the killer is a member of his own family. He employs journalist Mikael Blomkvist and the tattooed, truculent computer hacker Lisbeth Salander to investigate. When the pair link Harriet's disappearance to a number of grotesque murders from forty years ago, they begin to unravel a dark and appalling family history.

Zara has always felt a little ordinary next to her spirited best friend Ivy. Even her dreams seem mundane: a boyfriend, marriage, children. Besides, who would pick her when they could choose Ivy? So when Zara meets Henry and there's an instant spark, she can't believe her luck. A wealthy CEO who wants to settle down? He's perfect...until Ivy insists he's too good to be true.

Despite her fascination with Jack the Ripper, Detective Constable Lacey Flint has never worked a big case or seen a dead body up close. Until now…As she leaves a south London estate one night, she is horrified to find a woman has been viciously stabbed, right next to Lacey’s car. Thrown headlong into her first murder hunt, Lacey’s quiet life changes overnight. Then Lacey receives a familiar hand-delivered letter, written in red blood, and it is clear the police have a Ripper copycat on their hands.

Disgraced detective Kamil Rahman moves from Kolkata to London to start afresh as a waiter in an Indian restaurant. But the day he caters a birthday party for his boss's friend on Millionaire's Row, his simple new life becomes rather complicated. The event is a success, the food is delicious, but later that evening the host, Rakesh, is found dead in his swimming pool.