Inspector John Marco discovers photographs of Westford sitting in various luxury cars and Westford’s connections with the organized hooligan gangs of Cardiff points to a connection with hardened criminals. But is it that easy? Evidence suggesting Westford is a suspect in a drug related inquiry means that Marco faces having to transfer the investigation to another officer.

When two bodies are found sprawled at the bottom of the Devil's Kitchen in the mountains of Snowdonia, it looks like a murder-suicide. But something doesn't feel right to Detective Inspector Ian Drake, and his gut instinct has never let him down before. Drake suspects at least one of the deaths could be suspicious, but who would kill such an ordinary couple, and why? This might be Drake's first murder inquiry, but his years as a detective have taught him one thing - every murder has a motive, and every killer leaves a trace.

A killer stalks the streets of London, murdering the richest people in the capital. Is this the work of a serial killer, or just someone angry with the super rich? Or is there another reason why billionaires are being killed every three days? Detective Inspector Simon Wise, reeling from the death of his partner and harbouring more than a few secrets of his own, is assigned to the case. But the killer leaves no clues as to their identity, only bodies in their wake, and each new death sends Wise's team in startling new directions.

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.

A woman has been murdered and mutilated in her own home, with her liver cut out and a message left within it. Tasked with leading the case, DI Tudor Manx identifies several suspects, including the victim’s estranged husband. But all trails run cold. Then, another victim dies—and from the modus operandi. It seems that North Wales Police are dealing with a serial killer. But who would target the inhabitants of such a peaceful island?

A man is shot dead, and his body is dumped on the moors. His arm is stamped with the Chinese symbol for 'sorry'. There have been five unsolved murders with the same hallmark. The police can’t find any motive or connection between the victims. Bella Richards was close to the murdered man. She lives with her five-year-old son and has begun a new life in the local area. But although clearly grief-stricken, she is not telling the police everything she knows. 

One morning Gwen Thomas takes a short walk with her Siberian husky in the outskirts of the Welsh town she calls home. She is drawn to a desolate area where, some 20 years ago as a teenager, she was brutally attacked and her friend killed. Disorientated by a sudden rush of memories, she has a fall. Later, recovering in hospital, she begins to recollect the events that led up to her friend’s death.

Three years ago, DCI Laura Hart was the top hostage and crisis negotiator for the Greater Manchester Police. Then her husband was kidnapped. Despite her best efforts to reason with the criminals, he was brutally murdered. Now living on the Isle of Anglesey in Wales, Laura is slowly healing. Then she gets a call: armed drug dealers have seized a tourist boat—and her 10-year-old son Jake is on board. There’s no other negotiator available, and the police need her to step up.

A sinking boat is spotted off the South Coast. Waiting onboard is a grisly discovery. DCI Boyd, recently relocated from London to Hastings, is now with the East Sussex CID, and his first case is that of a local businessman and his new young wife, missing in the English Channel. All that remains of them is a grim scene aboard their half-submerged yacht and a digital trail of clues that could put Boyd and his daughter, Emma, in danger. 

DI Tudor Manx was hoping for a quiet life. But his hopes are dashed when there's a gruesome find - a mutilated body, crucified to the bow of a fishing boat. Is this a message or a macabre premonition? Manx's past still haunts him - the disappearance of his younger sister, Miriam: a cold case that remains unsolved. Can he work it all out before the body count rises?

Set within the mysterious beauty of the Norfolk Broads, this fast-paced British detective series is a dark cozy Norfolk murder mystery with a slice of humor and a touch of romance, one that will have you guessing until the very end, when the last shocking twist is finally revealed.

DS Rakesh Siyal is an idealist. Frustrated as an Edinburgh human rights lawyer, he joins the police, determined to solve the problems he sees with the criminal justice system from the inside, rather than out. His first day as a cop sees him sent down to Galashiels in the Scottish Borders, where he’s given a simple task – return a suspect to Glasgow to face justice.

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.

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

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.