The discovery of a severed head in a golf course bunker triggers a frantic race to find a serial killer that brings the town of Burnham-on-Sea to a standstill.

A trainee jockey has been kicked to death by an aggressive stallion at the local stables. Deemed an accidental death, the case is closed. But when the jockey's brother returns from active service, he sparks an armed siege, demanding the investigation be re-opened and the truth uncovered. Still recovering from the physical and mental scars of his last case, Detective Inspector Nick Dixon is dragged deep into a murky world of betting scams and murder, where people will do anything to keep their secrets.

Isobel Swan, a sixth form student, has been murdered. First, her ring finger is severed, then her throat is cut. With the investigation going nowhere fast, Detective Inspector Nick Dixon is sent undercover as a trainee teacher into Isobel's boarding school.

In the early hours of Christmas Eve, the wife of parliamentary candidate Tom Perry is brutally murdered in an apparent burglary gone wrong. With the by-election campaign about to start in earnest and the festive season in full swing, torrential rain brings with it flood warnings on the Somerset Levels.

A man has been mutilated and left to drown on the incoming tide, handcuffed in his van. With the murder bearing a striking resemblance to a string of sadistic killings carried out with surgical precision in 1990s gangland Manchester, it can mean only one thing: the killer is back. Transferred to the Major Investigation Team, DI Nick Dixon is assigned a new partner and sent to Manchester. Meanwhile, the gruesome murders in Somerset continue.

DI Nick Dixon is on the hunt for a vicious serial killer, following a trail of fingerprints and DNA across west Somerset. When the body of a young woman is found on the building site of a nuclear power station, work grinds to a halt. The body bears all the hallmarks of yet another random murder at the hands of the escaped killer. Then Dixon finds a motive. Fighting for his place on the Major Investigation Team, he soon uncovers a family’s desperate search for the truth, exposing a web of corruption and death that will shake the billion-pound construction project to its foundations.

After uncovering a fresh wave of corruption within the ranks of Northumbria CID, Detective Chief Inspector Ryan was looking forward to an uneventful summer. But, when a young woman is shot dead on the remote army ranges of the Northumberland National Park, Ryan is called in to investigate. Meanwhile, violent crimes are being committed across sites of historic importance in the North East, the perpetrator leaving only a graffitied symbol as their calling card. As the body count rises, Ryan and his team must unravel the mystery behind its meaning - before it's too late....

Susan has everything she ever wanted. A loving husband, an angelic daughter and the cottage of her dreams in County Cork. Her picture-perfect life seems too good to be true. And it is. At a housewarming party with their new neighbours, her daughter Amelia goes missing. As friends become suspects, Susan’s life spirals out of control. And when Amelia’s yellow cardigan is dredged from the lake, every parent’s worst nightmare suddenly seems horribly real. In the aftermath of Amelia’s disappearance Susan and her husband Paul are not themselves. Someone is hiding something.

After an elite criminal profiling unit is shut down amid a storm of scandal and mismanagement, only one person emerges unscathed. Forensic psychiatrist Doctor Alexander Gregory has a reputation for being able to step inside the darkest minds to uncover whatever secrets lie hidden there, and soon enough he finds himself drawn into the murky world of murder investigation. In the beautiful hills of County Mayo, Ireland, a killer is on the loose. Panic has a stranglehold on its rural community, and the Garda are running out of time. 

Recently returned from his last case in Ireland, elite forensic psychologist and criminal profiler Dr Alexander Gregory receives a call from the French police that he can’t ignore. It’s Paris fashion week, and some of the world’s most beautiful women are turning up dead, their faces slashed in a series of frenzied attacks while the world’s press looks on. Amidst the carnage, one victim has survived, but she’s too traumatised to talk. Without her help, the police are powerless to stop the killer before he strikes again.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.

When a 10-year-old girl turns up on DCI Ryan’s doorstep to tell him she’s witnessed a murder, he has no idea he’s about to step into his most spellbinding case yet. The circus has rolled into Newcastle upon Tyne, bringing with it a troupe of daring acrobats, magicians and jugglers - and one of them is a killer. Ryan and his team must break through their closed ranks to uncover a secret which has lain buried for eight years, before the killer strikes again - this time, to silence the only living witness.... 

A murder without motive. A bombing. The sins of the past revisited.... DI Nathaniel Caslin is heading up a specialist unit, an opportunity to make a real difference. Little does he know, decisions taken decades previously are about to threaten all that he holds dear.... Gangland tensions are on the rise as an uneasy peace is fractured in spectacular fashion. Two warring factions are lining up to unseat the other. Old adversaries rekindle their passion to exact revenge whilst the next generation seek to make a name for themselves.

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 an old man is burned alive in a sleepy ex-mining village, Detective Chief Inspector Ryan is called in to investigate. He soon discovers that, beneath the facade of a close-knit community, the burn from decades-old betrayal still smoulders. When everyone had a motive, can he unravel the secrets of the past before the killer strikes again? Meanwhile, back at Northumbria CID, trouble is brewing with rumours of a mole in Ryan’s department. With everyone under suspicion, can he count on anybody but himself?