Peter Diamond, the Bath detective brilliant at rooting out murder, is peeved at being diverted to Professional Standards to enquire into a police car accident. Arriving late at the scene, he discovers an extra victim thrown onto an embankment - unconscious and unnoticed. Diamond administers CPR, but no one can say whether the elderly tricyclist will pull through. But why had the man been out in the middle of the night with an urn containing human ashes?

London, 1879. Crowds have gathered at Islington's chilly Agricultural Hall to place their bets on who will become the next world champion in a six-day, 500-mile speed-walking race, the wobble. When one of the highly favored contenders dies under suspicious circumstances, Sergeant Cribb also has a race on his hands - to pursue a ruthless murderer.    

Detective Sergeant Chris Waters got the call at 05.29 that July morning. This is it, said DCI Reeve, you'll be first there, it's all yours, you're the crime scene manager. Suddenly, after months of waiting and wondering, Waters finds himself in at the deep end, and alone at the scene of a puzzling murder. As the investigation proceeds, the detectives at Kings Lake Central find themselves visiting familiar places and talking to some familiar faces, while old enmities reappear in the incident room. Before this is over, Chris Waters will need to make a career-changing decision.

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. 

Detective Chief Inspector Ryan retreats to Holy Island seeking sanctuary when he is forced to take sabbatical leave from his duties as a homicide detective. A few days before Christmas, his peace is shattered, and he is thrust back into the murky world of murder when a young woman is found dead amongst the ancient ruins of the nearby priory. When former local girl Dr. Anna Taylor arrives back on the island as a police consultant, old memories swim to the surface, making her confront her difficult past.

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.

Ingrid Langley’s career as a crime author provides great cover when she is asked by the Serious Organised Crime Agency, for whom she works part-tim alongside her husband Patrick, formerly of MI5, to attend an international writers’ festival in Cannes to investigate fellow author, Clement Hamlyn, who is suspected of using the event to meet with a wanted criminal.

Police officer Sebastian Clifford never planned on becoming a private investigator. But when a scandal leads to the disbandment of his London based special squad, he finds himself out of a job. That is, until his cousin calls on him to investigate her husband’s high-profile death, and prove that it wasn’t a suicide. Clifford’s reluctant to get involved, but the more he digs, the more evidence he finds. With his ability to remember everything he's ever seen, he's the perfect person to untangle the layers of deceit.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

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.

Dangling from a hook in a meat packing plant isn't how Detective Sergeant Washington Poe wants to spend his weekend. He's been punched and kicked and threatened, and when a contract killer arrives, it seems things are about to go from bad to worse. He goes by the name of the Pale Man, and he and his straight-edged razor have been feared all over London for 20 years. But Poe knows two things the Pale Man doesn't. Although it might seem like a hopeless situation, Poe has planned to be here all along. 

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?

Armistice Day 1940. The Blitz Detective John Jago finds himself despatched to Pimlico to investigate a suspicious death. A young man, Terry Watson, has been found in an Anderson shelter, battered about the head, and with two white poppies in his pocket. As the investigation delves into Watson's background, Jago and his assistant DC Craddock find themselves knee-deep in Pimlico's shady underworld and connections with Oswald Mosley's BUF party. It will take all their skills to uncover the truth behind the pacifist's brutal death. 

Oxford, 1960. There's a murderer on the loose, and two unlikely heroes are poised to solve the case. Meet Probationary WPC Trudy Loveday - smart, enthusiastic and always underestimated. In the hope of getting her out of the way, Trudy’s senior officer assigns her to help coroner Clement Ryder as he re-opens the case of a young woman's death. She can't believe her luck – she is actually going to be working on a real murder case. 

My name is Peter Grant, and until January, I was just probationary constable in that mighty army for justice known to all right-thinking people as the Metropolitan Police Service (and as the Filth to everybody else). My only concerns in life were how to avoid a transfer to the Case Progression Unit - we do paperwork so real coppers don't have to - and finding a way to climb into the panties of the outrageously perky WPC Leslie May. Then one night, in pursuance of a murder inquiry, I tried to take a witness statement from someone who was dead but disturbingly voluble....