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?

Jenny Shepherd is twelve years old and missing. Her teacher, Sarah Finch, knows better than most that the chances of finding her alive are diminishing with every day she is gone. As a little girl her older brother had gone out to play one day and never returned. The strain of never knowing what has happened to Charlie had ripped Sarah’s family apart. Now in her early twenties, she is back living at home, trapped with a mother who drinks too much and keeps her brother’s bedroom as a shrine to his memory. Then, horrifically, it is Sarah who finds Jenny’s body....

When Ella Watson, a woman of wealth and status, is brutally stabbed to death in broad daylight, it sends a shockwave through the Lake District community. Later that day, Keira Bradley meets the same fate. But whereas Ella’s murder is a tragedy, Keira’s death on the notorious Beacon Estate is just another statistic in a dangerous place.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl. 

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.

Detective Megan Thomas hoped that moving to Devon would mean a quiet life. Her years undercover in London left her broken and alone, unsure if she would ever recover. Slowly, she’s learning to work with a team and trust other people. But when her sister, Debbie, finds the body of local businessman Greg Porter, that peace is shattered. Porter’s wife and children don’t seem entirely grief-stricken, and his business dealings are not all they appear to be. So why are the police so determined to focus on Debbie? 

In this prequel to the international best seller The Ruin, set 10 years prior, bright-eyed Carrie Ryan is at the very start of her career. When she has a hunch about an ongoing murder investigation, she knows it could be her only chance to prove herself and truly break into the “boys' club” of Dublin’s police force.  

On a Dublin city street, packed with afternoon Christmas shoppers, a young woman appears, naked, traumatised and bearing burn marks. Tom Reynolds, now chief superintendent, is no longer head of the murder squad. But when it transpires the woman escaped from a house fire started deliberately and that there are more victims, including a baby, Tom is sucked in. What begins as a straightforward case of arson, soon becomes something much more sinister. The people in that house never wanted to be there in the first place. Now more of them are missing.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

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.

On a cold winter's morning, the body of a young boy is discovered in Epping Forest. The body is pristine and peaceful, his head resting gently on a pillow, an angel pendant clenched in his small fist. It is a murder as carefully planned as it is brutal, and there's one person DI Bishop needs back on his team to help solve such a calculated crime. Holly Wakefield, clinical psychologist for the Met Police, is better than anyone Bishop knows at getting inside the brains of psychopaths.

It’s Christmas in Sheffield. But not everyone is enjoying the festive season. A man has been found brutally murdered in his own home. The victim is Iain Kilbride, a once-famous TV star who has faded into obscurity. All signs point to a break-in, but why has nothing been taken? For DCI Matilda Darke, this is the perfect chance to prove her newly formed Murder Investigation Team are up to the task. Matilda suspects the clue to finding the killer lies in Iain’s past, but she’s about to discover how dark that past really is....

It's 1975. A baby, minutes old, is forcibly taken from its devastated mother. In 2010, the body of an elderly woman is found in a Dublin public park in the depths of winter. Detective Inspector Tom Reynolds is working the case. He's convinced the murder is linked to historical events that took place in the notorious Magdalene Laundries. Reynolds and his team follow the trail to an isolated convent in the Irish countryside. But once inside, it becomes disturbingly clear that the killer is amongst them....

Cathy Connolly discovers the bones of a baby concealed in the hem of an old wedding dress. When the dress' original owner, Lavinia Grant, is found dead in a Dublin suburb, Cathy is drawn deep into a complex web of secrets and lies spun by three generations of women. Meanwhile, a fugitive killer has already left two dead in execution style killings across the Atlantic - and now he's in Dublin with old scores to settle. Can the team track him down before he kills again?

A missing girl. A case that's personal. A contract killer on Irish soil. Cat Connolly is back at work. Struggling to adjust to physical and mental scars, her workload once again becomes personal when her best friend, Sarah Jane, goes missing. Sarah Jane's a journalism student, the daughter of a decorated war correspondent, but what could she be working on that could lead to her disappearance? And how deadly will it get?