When a woman is murdered in Blackdown village, newsreader Anna Andrews is reluctant to cover the case. Anna’s ex-husband, DCI Jack Harper, is suspicious of her involvement, until he becomes a suspect in his own murder investigation. Someone is lying, and some secrets are worth killing to keep.

It begins with a letter... The letter contains a request - think of a number, any number - and a sealed envelope. Inside the envelope is that number... When Dave Gurney, retired NYPD homicide detective, is contacted by an old college acquaintance about some startling letters he’s been receiving, it is at first little more than a diverting but sinister puzzle. Until the acquaintance is brutally killed.Suddenly Gurney finds himself in the middle of a murder investigation that makes no sense.

In Glasgow, aspiring actress Jasmine Sharp is reluctantly - and incompetently - earning a crust working for her Uncle Jim's private investigation business. When Jim goes missing, Jasmine has to take on the investigator mantle for real. Soon she stumbles into a web of corruption and decades-hidden secrets that could tear apart an entire police force - if she can stay alive long enough to tell the tale...

Louise has had to watch her husband, Andrew, start a new family in the four years since he left her. The ‘other woman’ is now his wife - but Louise isn’t ready to let Caz enjoy the life that was once hers or to let go of the man she still loves. As Louise starts to dig into Caz’s past, the two women’s pretence of civility starts to slip. But in trying to undermine each other, they discover more about the man they both married. And when Andrew is murdered at a family party, both women are found standing over the body. It’s always the wife. But which one?

When Charlie Flint is sent a mysterious package of cuttings about a brutal murder, it instantly grabs her attention. The murder occurred in the grounds of her old Oxford college - a groom battered to death just hours after his wedding. As his bride and wedding guests sipped champagne, his alleged killers were slipping his bloodstained body into the river. Charlie doesn't know who sent the package, or why, yet she can't get the crime out of her head.

Geoffrey Staddon turned his back on the best things in his life. He turned his back on the beautiful house Clouds Frome, his finest achievement as an architect. He turned his back on the woman he loved, Consuela Caswell, and who loved him in return. Twelve years later, amidst the tatters of his career and marriage, he is forced to contemplate the remorse and shame of his betrayal. But when he reads that Consuela has been charged with murder, he knows instinctively that she cannot be guilty....

The murder of a media moghul in his country mansion appears to be the result of him disturbing a gang of would-be thieves. The robbers are swiftly caught, but when they are unexpectedly moved to a different prison they escape. Back in Edinburgh, a young solicitor reveals to the press that one of the subjects had left a letter with her some time before the break-in which proves his innocence.

John Milton is a ghost. He was Number One. The most dangerous assassin in Group Fifteen, the black-ops organisation that solves problems when diplomacy has failed. Now Milton is Her Majesty's most wanted fugitive - an anonymous loner with a deadly set of skills. So when he is arrested following a brawl in a Texas bar, the last person he expects to bail him out is a glamorous operative from the Russian Secret Service.

A series of unsolved murders with one thing in common: each of the deaths bears an eerie resemblance to the crimes depicted in classic mystery novels. The deaths lead FBI Agent Gwen Mulvey to mystery bookshop Old Devils. Owner Malcolm Kershaw had once posted online an article titled 'My Eight Favourite Murders,' and there seems to be a deadly link between the deaths and his list - which includes Agatha Christie's The ABC Murders, Patricia Highsmith's Strangers on a Train and Donna Tartt's The Secret History.

Ignorance is bliss... especially when it comes to murder! Ever since the death of his father, Fellworth Dolphin has slaved away as a waiter to support his miserly, cold-hearted mother. So when she suddenly dies Fellworth is shocked to discover she has left him a fortune. Somewhat confused, Fell teams up with a girl from work, Maggie, to investigate the source of the riches. But what they find instead is a closet full of skeletons... Is it really possible Fell's father was involved in a decades-old train robbery? And who is the mysterious woman in the portrait?

Siglufjörður: an idyllically quiet fishing village in Northern Iceland, where no one locks their doors - accessible only via a small mountain tunnel. Ari Thór Arason: a rookie policeman on his first posting, far from his girlfriend in Reykjavik - with a past that he’s unable to leave behind.

Cambodia, 1978. Amid the Khmer Rouge's crazed genocide, soldier of fortune Jack Elliott is given the impossible task of rescuing a family from the regime. Eighteen-year-old orphan and budding journalist Lisa Robinson has received the impossible news that her father is, in fact, alive. His name - Jack Elliott. As Jack tracks the hostages and Lisa traces her heritage, each is intent on reuniting a family. Yet to succeed, so must run a dangerous gauntlet of bullets and betrayal.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

The only place Suzanna Peacock finds comfort is her shop, which provides a haven for the misfits in town. But she is forced to confront events of the past and her family that have been haunting her for so long. And she discovers that the key to her happiness may have been in front of her all along....

First, Patrick receives a DVD in the post. It shows footage of him and his wife, Ariana, walking, dressing, going to work - all filmed by cameras hidden in their house. Someone is clearly out to get him. And then the email arrives: GO ALONE. TELL NO ONE. DO WHAT WE SAY. OR SHE DIES. Patrick’s life is turned upside down. Suddenly this has become a matter of life and death.