Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

When Nigel Baxter, a middle-aged married banker with an unremarkable past, is found dead in the bath of a plush hotel suite, his wrists slit, it looks as if he's taken his own life. At first. But when Detective Inspector Daniel Riley is assigned to the case, he soon realises all isn't as it first appears to be. When a postmortem shows Baxter was poisoned, Riley suspects foul play. And then there's the odd addition of a teddy bear left at the crime scene....

Meet DCI Cyril Bennett, a ladies' man with a passion for efficiency. His partner, DS David Owen, is naïve and untidy but keen. Together they make a formidable pair.

When two dead infants are found at a teacher training college, Bennett and Owen are given the case. At the same time, a killer is on the loose staging attacks using sulphur mustard. Bennett and Owen must work together to bring to justice a killer with revenge on his mind.

A mutilated body apparently washed up on a windswept beach. A violent criminal gang preys on moped riders across the area. A teenage girl is desperate to escape sexual exploitation. It’s a tough introduction to Merseyside for Detective Inspector April Decent, who’s just arrived from her native Yorkshire. Together with new colleague Skeeter Warlock, Decent quickly discovers there’s a sinister link between them all, one that will bring them face-to-face with some uncomfortable home truths. 

For 16 years, the Midwinter Butcher has been lurking in the shadows, committing ritualistic animal killings on the anniversary of DI Joseph Stone's son's tragic death. And ever since, Joseph has been desperate to bring them to justice.

Starting a new life in Snowdonia was always DI Ruth Hunter's dream. Until a twisted killer turned it into her worst nightmare. Detective Inspector Ruth Hunter lives with the pain of her partner’s mysterious and unsolved disappearance. About to hit 50, the veteran police officer trades in the crime-ridden streets of London for a more peaceful life in rural North Wales. But Ruth has barely settled into her new position in North Wales Police, when the body of a brutally murdered woman is discovered...with strange symbols carved into her skin.

After a body turns up in the sleepy village of Rufford, Detective Walker returns from his leave of absence early, his experience deemed crucial for the case. But when it transpires the crime may be linked to a decades old cold case involving the murder of his sister, the crime becomes personal: he needs this—for his wife and kids, to make amends for past mistakes, and for the current victim—but he must toe the line if he isn’t to be thrown off the case.

Abductions and murder are not what ex-DCI Luke Sackville expected when he left the police after tragedy struck his family. Luke’s return to the workplace was meant to be a soft landing, but when a woman vanishes after being accused of taking bribes, he is assigned a disparate team and tasked with tracking her down. Their search becomes more urgent when her disappearance is linked to the death of a second woman. When a third goes missing, the hunt becomes a race against time.

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

Thomas Austin was once a prominent NYPD detective, known for locking up a psychopathic serial killer dubbed "The Holiday Baby Butcher". Now retired in a small beach town in the Pacific Northwest, Austin runs a little café, trying to overcome the loss of his wife, a DA who was gunned down only one year ago.