When Dr. Emma Sweeney stumbles across the victim of a hit-and-run outside Galway University late one evening, she calls her partner, Detective Cormac Reilly, bringing him first to the scene of a murder that would otherwise never have been assigned to him. A security card in the dead woman's pocket identifies her as Carline Darcy, a gifted student and heir apparent to Irish pharmaceutical giant Darcy Therapeutics. 

Galway 1993: Young Garda Cormac Reilly is called to a scene he will never forget. Two silent, neglected children - 15-year-old Maude and five-year-old Jack - are waiting for him at a crumbling country house. Upstairs, their mother lies dead. Twenty years later, a body surfaces in the icy black waters of the River Corrib. At first it looks like an open-and-shut case, but then doubt is cast on the investigation's findings - and the integrity of the police. Cormac is thrown back into the cold case that has haunted him his entire career - what links the two deaths, two decades apart?

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.  

Kieran Elliott's life changed forever on the day a reckless mistake led to devastating consequences. The guilt that still haunts him resurfaces during a visit with his young family to the small coastal community he once called home. Kieran's parents are struggling in a town where fortunes are forged by the sea. Between them all is his absent brother, Finn. When a body is discovered on the beach, long-held secrets threaten to emerge. A sunken wreck, a missing girl and questions that have never washed away....

When a young man is found frozen to death on a Highland street in mid-December, DCI Jack Logan initially puts it down to a Christmas night out gone tragically wrong. But, when a postmortem reveals something more sinister, Jack discovers he is dealing with a cold, calculating killer with a long line of victims, a talent for torture, and a perverse sense of justice. 

Six years ago, Evie Cormac was found hiding in a secret room in the aftermath of a brutal murder. But nobody has ever discovered her real name or where she came from, because everybody who tries ends up dead. Forensic Psychologist Cyrus Haven believes the truth will set Evie free. Ignoring her warnings, he begins to dig into her past, only to disturb a hornet's nest of corrupt and powerful people who have been waiting to find Evie - the final witness to their crimes. Unbeknownst to him, Cyrus is leading them straight to Evie. The truth will not set her free. It will get them killed.

Late at night, two powerful men meet in a secret location to discuss a long nurtured plan about to come to fruition. One is desperate to know there is nothing standing in their way - the other assures him everything is taken care of. Hours later, a high-ranking government official called Ryan Finnegan is brutally slain in the most secure building in Ireland - Leinster House, the seat of parliament. Inspector Tom Reynolds and his team are called in to uncover the truth behind the murder.

Martin Scarsden's new life seems perfect, right up until the moment it's shattered by a voice mail: a single scream, abruptly cut off, from his partner, Mandalay Blonde. Racing home, he finds an unconscious man sprawled on the floor and Mandy gone. Someone has abducted her. But who and why? So starts a twisting tale of intrigue and danger, as Martin probes the past of the woman he loves, a woman who has buried her former life so deep she has never mentioned it.

The inspector frowned and examined the earth under the trees. As he scanned the glade, his stomach lurched. One, two, three, four. Five, counting the mound of earth disturbed under the tent. Somebody had cleared the earth of its natural layer and sown their own flowers. In five places. Five graves. A young woman, Fiona Holland, has gone missing from a small Irish village. A search is mounted, but there are whispers. Fiona had a wild reputation. Was she abducted, or has she run away?

Kids can be so cruel. They'll call you names. Hurt your feelings. Push you to your death. In the garden of an abandoned house, Luke Connolly lies broken, dead. The night before, he and his friends partied inside. Nobody fought, everybody else went home safely. And yet, Luke was raped and pushed to his death. His alleged attacker is now in custody. DCI Tom Reynolds is receiving the biggest promotion of his career when a colleague asks him to look at the Connolly case, believing it's not as cut and dried as local investigators have made out.

Christmas day, and DCI Tom Reynolds receives an alarming call. A mass grave has been discovered on Oileán na Caillte, the island which housed the controversial psychiatric institution St. Christina's. The hospital has been closed for decades, and onsite graves were tragically common. Reynolds thinks his adversarial boss is handing him a cold case to sideline him. But then it transpires another body has been discovered amongst the dead - one of the doctors who went missing from the hospital in mysterious circumstances 40 years ago.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

Private Detective Cormoran Strike is visiting his family in Cornwall when he is approached by a woman asking for help finding her mother, Margot Bamborough - who went missing in mysterious circumstances in 1974. Strike has never tackled a cold case before, let alone one 40 years old. But despite the slim chance of success, he is intrigued and takes it on; adding to the long list of cases that he and his partner in the agency, Robin Ellacott, are currently working on.

Jackman’s sister-in-law Sarah disappears to London and throws herself into the river. What drove her to this? She was a woman with a seemingly happy home life and two beloved sons. DI Jackman and DI Evans dig into Sarah’s life. And Jackman realises he knew almost nothing about his sister-in-law’s past. Then, they discover a woman in a neighbouring village died in similar circumstances. What is the connection to a convicted murderer whose family are convinced he is innocent? Who is really pulling the strings?

When DI Rowan Jackman and DS Evans are told that the IT boss has disappeared, they soon suspect foul play. Orla Cracken, known as Orac, is no ordinary techie; she was once a field agent traveling abroad undercover, working for the government. Meanwhile DC Robbie Melton discovers that two people, both urban explorers, have mysteriously disappeared whilst out exploring abandoned buildings. One went missing at a disused airfield, but was it a military base, or was it civilian?