Most acts of violence are pretty random. But murdering someone and impaling their head on the railing outside the Royal Courts of Justice...that takes planning. And when the pathologist finds a page from a book rammed down the dead man's throat, DI Charlie George thinks it's safe to assume that someone, somewhere, wants to send a message. But people who have the resources to plan a murder like that also have the smarts not to get caught. So Charlie knows he has a problem.

When the body of a famous television academic is discovered in Greenwich Park, carefully positioned beside a megalithic stone fountain and missing a hand, DI Declan Walsh and the team of the Last Chance Saloon find themselves not only involved in a case that connects to the supernatural, but one that also involves 17th-century architects, Ley Lines, nuclear reactors and a secret black market organisation that specialises in particular occult items.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.

Ex-priest DI Frank Farrell has returned to his roots in Dumfries, only to be landed with a disturbing murder case. Even worse, Farrell knows the victim: Father Boyd, the man who forced him out of the priesthood 18 years earlier. With no leads, Farrell must delve into the old priest’s past, one that is inexorably linked with his own. But his attention is diverted when a pair of twin boys go missing. The Dumfries police force recover one in an abandoned church, unharmed. But where is his brother?

In the spring of 2014, struggling musician Mike Bradley is forced to do some manual work over the spring bank holiday to make ends meet. What was supposed to be a routine decorating job turns into a life-changing decision. Is the Memorabilia Man all he appears to be? A story of loyalty and betrayal and a misguided sense of honor.

When DS Royston Chase is called to the scene of a fatal road collision, his task is to identify the girl who died alongside the ex-chief constable of Wiltshire Police. Paired with the bold and strident DC Claire Laney, Chase is given the task of closing the case quickly and quietly. But when the girl’s DNA provides a familial link to a child who vanished from her home 20 years earlier, Chase and Laney refuse to accept the coincidence. The pair start looking harder at the ex-cop’s life, at which point they encounter serious opposition. Perhaps deadly serious.

Former detective sergeant Norman Norman’s retirement is boring him to tears. So when he’s asked to assist an upcoming female DI and mentor a new team of misfits in a sleepy Welsh coastal town, he jumps at the opportunity. But the training has barely begun when a woman’s corpse washes up on the sand. With no reports of missing persons, DS Norman is stumped...until the post-mortem reveals a shocking hint to the culprit being local. But with a growing list of suspects who all have alibis, the experienced cop and his fledgling team’s first case could be their last.

When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected. 

With a glittering career, spanning several decades representing the privileged and the wealthy, behind him the focus of the investigation inevitably turns toward cases and clients past and present, but was his death linked to his work or is there another, darker and far more sinister motive at play? No matter how successful, privileged or elevated in society one person can be, one universal rule applies; we all bleed the same.

When DS Josie Masters is called out to a house in North Oxford to investigate a serious incident, things take a personal turn. The body is Harry’s - her friend and former colleague. Josie thought Harry lived alone, but evidence suggests he’d had a lodger - a young woman who has fled the scene.

Ryan Wilkins grew up on a trailer park, a member of what many people would call the criminal classes. As a young Detective Inspector, he's lost none of his disgust with privileged elites - or his objectionable manners. But he notices things; they stick to his eyes. His professional partner, DI Ray Wilkins, of affluent Nigerian London heritage, is an impeccably groomed, smooth-talking graduate of Balliol College, Oxford. You wouldn't think they would get on. They don't. But when a young woman is found strangled at Barnabas Hall, they're forced to. 

One chance encounter, one murder, will change everything. DI Thomas Ridpath is in the process of getting his life back together when everything goes wrong. Caught in a gruesome motorway incident, one question remains: why did nobody else see what happened? Ridpath's investigations soon pulls the police force itself into question, and hints at something even more sinister. With Manchester on the brink of violence unlike anything seen in decades, Ridpath must battle this unprecedented conflict alongside his own demons...

Detective Patsy Hodge has left her old life behind to start a new job with Bristol CID. She attends a suspicious death with her new boss: straight-talking, no nonsense Detective Inspector John Meredith. Within days the body count begins to rise, as victims, old and new, are discovered to have died by lethal injection. Assisted suicide or euthanasia? Meredith calls it murder.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.