Meet DCI Cyril Bennett, a ladies' man with a passion for efficiency. His partner, DS David Owen, is naïve and untidy but keen. Together they make a formidable pair.

When two dead infants are found at a teacher training college, Bennett and Owen are given the case. At the same time, a killer is on the loose staging attacks using sulphur mustard. Bennett and Owen must work together to bring to justice a killer with revenge on his mind.

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 the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

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?

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.

DS Lucas Walker is on leave in his hometown, Caloodie, looking after his dying grandmother. When two young German backpackers vanish from the area on their way to a ranch, he finds himself unofficially on the case. But why all the interest from the Federal Police, when they have probably just ditched the heat and dust of the outback for the coast? As the number of days the couple are missing climbs, DS Walker is joined by the girl's sister. A detective herself from Berlin, she is desperate to find her before it's too late.

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.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

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.

A teacher goes missing under suspicious circumstances and a man is murdered at a local reservoir. For Detective Robyn Carter, there's no obvious link between the cases. But as she starts to delve into them, her investigations lead her to Abigail, perfect wife and mother to beautiful little Izzy. What was Abigail's connection to the victims? And why is she receiving threatening messages from an anonymous number?

The death of Tom Bettany's estranged 26-year-old son brings him back to London. His return sparks the interest of everyone from mobsters to MI5 officers - he may have thought he left his old life as a spy behind, but nobody just walks away. Tom Bettany is working at a meat processing plant in France when he gets the voicemail from an English woman he doesn't know telling him that his estranged 26-year-old son is dead. Liam was smoking dope on his London balcony when he fell....

Sonny Lofthus is a strangely charismatic and complacent young man. Sonny’s been in prison for a dozen years, nearly half his life. The inmates who seek out his uncanny abilities to soothe leave his cell feeling absolved. They don’t know or care that Sonny has a serious heroin habit - or where or how he gets his uninterrupted supply of the drug. Or that he’s serving time for other peoples’ crimes. Sonny took the first steps toward addiction when his father took his own life rather than face exposure as a corrupt cop. Now Sonny is the seemingly malleable center of a whole infrastructure of corruption....

A body is discovered with her throat cut and her daughter believed missing. DCI Foster quickly sees parallels with the disappearance of a teenager three years earlier. With hopes fading, he calls on genealogist Nigel Barnes to piece together the links between the families of the two girls. The trail leads back to 1890, and a young couple fleeing a terrible crime in their past....

Pools of blood, scenes of carnage, signs of agonising death - who deals with the aftermath of violence once the bodies have been taken away? Judith Kepler has seen it all. She is a crime-scene specialist. She turns crime scenes back into habitable spaces. She is a cleaner. It is at the home of a woman who has been brutally murdered that she is suddenly confronted with her own past. The murder victim knew Judith's secret: as a child Judith was sent to an orphanage under mysterious circumstances - parentage unknown.

When his longtime nemesis, the amphetamine-juiced killer known as "Upper" North, is spotted in England, Detective Chief Inspector Brock is on the trail. His manhunt centers on Silvermeadow, a huge and glittery new shopping mall on the outskirts of London, where North was seen. Lying in wait, he and Kathy Kolla take on a seemingly unrelated case as camouflage, that of a missing girl who had worked in the mall. But what to make of the rumor of other girls gone missing?