When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

After getting a note demanding his presence, Federal Agent Aaron Falk arrives in his hometown for the first time in decades to attend the funeral of his best friend, Luke. Twenty years ago when Falk was accused of murder, Luke was his alibi. Falk and his father fled under a cloud of suspicion, saved from prosecution only because of Luke’s steadfast claim that the boys had been together at the time of the crime. But now, more than one person knows they didn’t tell the truth back then, and Luke is dead.

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.

Everyone who lives at 23 Beulah Grove has a secret. If they didn't, they wouldn't be renting rooms in a dodgy old building for cash - no credit check, no lease. It's the kind of place you end up when you you've run out of other options.The six residents mostly keep to themselves, but one unbearably hot summer night, a terrible accident pushes them into an uneasy alliance. What they don't know is that one of them is a killer. He's already chosen his next victim, and he'll do anything to protect his secret.

Time's up. You're Next. "All he had to do was name the woman he wanted. It was that easy. They would do all the hard work. "Detective Sergeant Mark 'Heck' Heckenburg is investigating the disappearance of 38 different women. Each one was happy and successful until they vanished without a trace. Desperate to find her missing sister, Lauren Wraxford seeks out Heck's help.

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.

In 1986, Eddie and his friends are on the verge of adolescence, spending their days biking in search of adventure. The chalk men are their secret code, stick figures they draw for one another as hidden messages. But one morning, the friends find a chalk man leading them to the woods. They follow the message, only to find the dead body of a teenage girl. In 2016, Eddie is nursing a drinking problem and trying to forget his past, until one day he gets a letter containing a chalk man — the same one he and his friends saw when they found the body.

Profoundly deaf since early childhood, Caleb has always lived on the outside - watching and picking up tell-tale signs people hide in a smile, a cough or a kiss. When a childhood friend is murdered, a sense of guilt and a determination to prove his own innocence sends Caleb on a hunt for the killer. But he can’t do it alone....

Meet Detective Chief Inspector John Luther. He’s a murder detective with an extraordinary case clearance rate. He’s obsessive, instinctive, and intense. Nobody who ever stood at his side has a bad word to say about him. And yet there are rumors that Luther is bad - not corrupt, not on the take, but tormented. He seethes with a hidden fury that at times he can barely control. Sometimes it sends him to the brink of madness, making him do things he shouldn’t - things well beyond the limits of the law.

One morning in picture-perfect Bath, England, a teenage girl's body is found on the towpath of a canal: Lorne Woods - beautiful, popular, and apparently the victim of a disturbingly brutal murder. Zoe Benedict - Harley-riding police detective, independent to a fault - is convinced the department head needs to look beyond the usual domestic motives to solve the case.

Nicholas Carr disappeared on his 18th birthday and the world has moved on. His girlfriend has gone to university, his friends have got jobs, the police have other things to look into. But his father, Richard, is still stuck on the three fingers the police dug up from a sodden Manchester wood. What happened to Nicholas on the night he disappeared, and why did he never come home? Private investigator Andrew Hunter is Nicholas's last hope.

You love your family. They make you feel safe. You trust them. Or do you...? When 15-year-old Billy Wilkinson goes missing in the middle of the night, his mother, Claire Wilkinson, blames herself. She's not the only one. There isn't a single member of Billy's family that doesn't feel guilty. But the Wilkinsons are so used to keeping secrets from one another that it isn't until six months later, after an appeal for information goes horribly wrong, that the truth begins to surface.

Crime reporter Eve Singer's career is on the downward slope when a spate of bizarre murders - each carefully orchestrated and advertised like performance art - begin in her territory. Covering these very public crimes revives her byline, and when the killer contacts Eve to discuss her coverage of his crimes, she is suddenly on the inside of the biggest murder investigation of the decade. But as the killer becomes increasingly obsessed with her, Eve realizes there's a thin line between inside information and becoming an accomplice to murder.

"Jack's in charge," said his mother, as she disappeared up the road to get help. "I won't be long." So 11-year-old Jack and his two sisters wait on the hard shoulder in their stifling, broken-down car, bickering and whining and playing I-Spy until she comes back. But their mother doesn't come back. She never comes back. And after that long hot summer day, nothing will ever be the same again. Three years later, Jack's 15 and still in charge.

There are two sides to every secret. When her beloved father dies, Josie is devastated to uncover a secret life he has led with another family: another house, another woman, and a half sister, Valentina. Born in the same week, in the same hospital, they look so physically alike they could be mistaken for twins. But the similarities end there.... Josie is sweet and reserved, a counsellor with the perfect boyfriend and the perfect life. Valentina is damaged and reckless, and she always gets what she wants.