Dr. Samantha Willerby, a specialist in post-traumatic stress, has never seen anything like this before. Following a fire on the London Underground, three survivors seek her help, but although unmistakably traumatized, their stories don’t match the facts. Are they "faking it"? Sam’s confusion turns to horror when one by one, instead of recovering, they are driven to suicide. When her lover, Conrad, begins to suffer the same terrifying flashbacks, Sam is desperate to find out what’s causing them. Then a mysterious and chilling conspiracy begins to unravel....

When Alice receives an invitation from Karen, her charismatic University friend, to stay in a remote cottage in Scotland, she can't wait to rekindle their lost friendship. But two more former students arrive - never friends of Alice's - and as the atmosphere chills, Karen isn't the warm-hearted soulmate Alice remembers. Barely is the reunion underway before someone is dead and the fragile gathering is pushed to a breaking point.

Headstrong journalist Anna Rothman knows what suicide looks like - her own husband killed himself five years ago. When Elly Swift, an agitated passenger beside her on a train, leaves a locket in Anna's bag before jumping onto the tracks, Anna starts asking questions. But everything points to suicide and the police close the case. However, Anna believes that Elly's fears for Toby, her young nephew who was snatched from St. Stephen's church six months ago, fail to explain the true reason behind Elly's distress.

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.

I Let You Go follows Jenna Gray as she moves to a ramshackle cottage on the remote Welsh coast, trying to escape the memory of the car accident that plays again and again in her mind and desperate to heal from the loss of her child and the rest of her painful past. At the same time, the novel tracks the pair of Bristol police investigators trying to get to the bottom of this hit-and-run.

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.

Every morning and evening, Zoe Walker takes the same route to the train station, waits at a certain place on the platform, finds her favorite spot in the car, never suspecting that someone is watching her. It all starts with a classified ad. During her commute home one night, while glancing through her local paper, Zoe sees her own face staring back at her - a grainy photo along with a phone number and a listing for a website called FindTheOne.com.

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.

At 39, Manon Bradshaw is a devoted and respected member of the Cambridgeshire police force, and though she loves her job, what she longs for is a personal life. Single and distant from her family, she wants a husband and children of her own. One night, after yet another disastrous Internet date, she turns on her police radio to help herself fall asleep - and receives an alert that sends her to a puzzling crime scene.

Six months ago, Charlotte almost lost everything. Now, she’s determined to keep her daughter, Elle, safe. So when local girls close to Elle in age and appearance begin to go missing, it’s her worst nightmare. Charlotte’s fears are confirmed when a frantic search becomes a shocking murder investigation. The girls’ bodies have been found - half-buried, and with traces of mud and wildflowers under their fingernails. As Charlotte’s obsession with keeping her daughter close pushes her marriage to the brink, local DI Madeleine Wood embarks on a gruelling search for the killer.

Dr Cat Lupo aches for another child despite the psychosis which marked her first pregnancy. So when Ruby Winter, a small girl in need of help, arrives in the middle of the night, it seems like fate. But as the events behind Ruby's arrival emerge - her mother's death, her connection to Cat - Cat questions whether her decision to help Ruby has put her own daughter at risk.

In a town full of liars, who can you trust? When Detective Finnegan Beck is demoted from his high-powered job in Dublin and relocated in disgrace to the small Irish town of Cross Beg, he predicts boredom will be his biggest threat. But then a beautiful local teenage girl is found strangled in the cold, dark woods a mile from town. The prime suspect is the seemingly gentle drifter who found Tanya’s body. Beck seems to be the only person who can’t escape the feeling that Tanya wasn’t killed at random.

Gaby Mortimer is the woman who has it all. But everything changes when she finds a body near her home. She's shaken and haunted by the image of the lifeless young woman and frightened that the killer, still at large, could strike again. Before long the police have a lead. The evidence points to a very clear suspect, one Gaby never saw coming.

Best friends Noah Sadler and Abdi Mahad have always been inseparable. But when Noah is found floating unconscious in Bristol's Feeder Canal, Abdi can't - or won't - tell anyone what happened. Just back from a mandatory leave following his last case, Detective Jim Clemo is now assigned to look into this unfortunate accident. But tragedy strikes, and what looked like the simple case of a prank gone wrong soon ignites into a public battle. Noah is British. Abdi is a Somali refugee. And social tensions have been rising rapidly in Bristol.

When a woman's body is found in the grounds of a ruined priory, Detective Imogen Evans realises she is dealing with a serial killer - a killer whose victims appear to die in a state of bliss, eyes open, smiles forever frozen on their faces.