DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. So when his police colleagues dismiss the death of a man as a squabble among Bristol's homeless community, Detective Sergeant George Cross is not convinced.

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.

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.

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.

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?

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.

In the darkness of a cold December morning, Detective Kim Stone steps through the doors of Halesowen Police Station. She’s about to meet her team for the first time. When the body of a young man is found beheaded and staked to the ground in a secluded area of the Clent Hills, Kim and her new squad rush to the crime scene. This audio edition includes exclusive bonus content.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

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.

A man’s body washes up on a beach on the North Yorkshire coast with a single gunshot wound to the chest. The only clue to the victim’s identity is a ring engraved with two names. DCI Tom Raven is back in his hometown of Scarborough for the first time in over 30 years. When offered the chance to lead the murder investigation, he takes it. Raven quickly discovers that the prime suspect is his once-teenage friend, now a wealthy but shady businessman. He finds an ally in Detective Sergeant Becca Shawcross, but not everyone in the team is on his side.

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

A woman is found in a local cemetery, crushed to death under a gravestone. A production company is there, filming the remake of a classic sci-fi TV show on the grounds, making the investigation more difficult for DCI Harry McNeil. It's his first day in charge of the cold case unit in Edinburgh. After spending four years in Professional Standards, he has little choice but to take the promotion.

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.