Diana Bakewell is London’s savviest and best connected tour guide. But when Diana and Zaf take a group of students on a tour of the Houses of Parliament and an MP's researcher dies, Diana suspects all is not as it seems.

DI Zoe Finch has a lot on her plate. New job, new team, new county. And on day one, she’s plunged straight into a murder investigation. Zoe has to hit the ground running. She needs to manage a new team with its fair share of challenges, get to grips with a new boss who might not be all she seems, and worry about her reputation following her north to Cumbria. Can she settle in quickly enough to solve the murder and quell local tensions, as well as coping with an unfamiliar environment?

DI Jade Tanner has been plunged into managing the Complex Crimes Unit, Police Scotland's newest investigating team. She's recruited Dr Petra McBride, fresh from losing her job at Dundee University, and DS Mo Uddin, who's reluctantly transferred from Birmingham. When America's newest internet billionaire is shot on the shores of Loch Lomond, the team is brought in. Jade suspects a connection with the shooting of a local millionaire, an unsolved case which has been haunting her.

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.

Christmas in Birmingham means the Frankfurt Christmas Market. Loved and hated by brummies in equal measure, it certainly makes life interesting for West Midlands Police. But when the body of a homeless man is found behind a market stall early one Sunday morning, it looks like Christmas might be cancelled for DI Zoe Finch and her team. And when they discover that the victim has a history that makes his death politically sensitive, things get even more complicated.

Cherringham - a quiet town in the Cotswolds. Nothing ever happens there, or so it seems - until one morning a woman's body is found in the river. A terrible accident, according to the police. But is this true? Sarah believes there must be more to it. In Jack, a former NYPD homicide detective, she finds a partner who is willing to start investigating with her. They soon find out that things are not as clear as the police want them to be ... This first - of many cases brings Sarah and Jack together in an unlikely partnership.

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.

Still spinning from the hustle and bustle of city life, Jodie ‘Nosey’ Parker is glad to be back in the Cornish village she calls home. Having quit the Met Police in search of something less dangerous, the change of pace means she can finally start her dream catering company and raise her daughter, Daisy, somewhere safer. But there’s nothing quite like having your first job back at home be catering an ex-boyfriend’s wedding to remind you of just how small your village is.

After the sudden death of her husband, Christine Harvey would do anything to give her precious children Molly and Ryan a fresh start. The huge clifftop house she’s hastily purchased has the most breath-taking ocean view she’s ever seen. Surely here they can someday be happy again? But Christine had no idea that her family’s new dream house is right next door to where a child was abducted and murdered. And nobody told her that the father – who was the main suspect in the police investigation before it collapsed – still lives there.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

Hogmanay. New Year's Eve. A dead teenager, another missing. One hell of a case. Meet DS Vicky Dodds. Settling down for a nice Hogmanay with her daughter and her best friend, a phone call pulls DS Vicky Dodds into work and to a deadly new case. A teenage girl, her body cooling in a cold, dark supermarket car park. Found next to her friend’s car, but the driver’s missing too — has the killer taken her? Or is she the killer?

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.

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.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.