A faithful dog lies wounded beside the mutilated body of its owner. A woman is discovered bound and gagged, dead in her own bed. Both are police officers. Both have a red rose at their side...worryingly, more will follow. Lies and accusations abound, but who is behind the murders, and why are the victims being targeted? Charlie, Hunter and the team must find the killer targeting their own, before another body is found.

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.

Struggling to balance her personal and professional life, young DS Becca Vincent has landed the biggest case of her career - and she knows that it will make or break her. But she can’t catch the culprit alone. Together with facial recognition expert Joe Russell, she strives to get a lead on the elusive murderer, who is always one step ahead of them. Time is not on their side. The body count is rising, and the attacks are striking closer and closer to home. Can Becca and Joe uncover the connection between the murders before the killer strikes the last name from his list?

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

DI Amy Winter is hoping to follow in the footsteps of her highly respected police officer father. But when a letter arrives from the prison cell of Lillian Grimes, one half of a notorious husband-and-wife serial-killer team, it contains a revelation that will tear her life apart. Responsible for a string of heinous killings decades ago, Lillian is pure evil. A psychopathic murderer. And Amy’s biological mother. Now, she is ready to reveal the location of three of her victims - but only if Amy plays along with her twisted game.

Time's up. You're Next. "All he had to do was name the woman he wanted. It was that easy. They would do all the hard work. "Detective Sergeant Mark 'Heck' Heckenburg is investigating the disappearance of 38 different women. Each one was happy and successful until they vanished without a trace. Desperate to find her missing sister, Lauren Wraxford seeks out Heck's help.

It was supposed to be the trip of a lifetime, a final adventure before settling down. But after a perfect start, an encounter with a young couple on a night train forces Daniel and Laura to cut their dream trip short and flee home. Back in London, Daniel and Laura vow never to talk about what happened that night.

When a young girl disappears on the edge of the Forest of Dean and blood is found where she was last seen, the town is terrified a killer has returned.The local police are convinced it’s the same man who stabbed a girl to death 18 years ago. They know who he is. They’re desperate to finally have the evidence they need to put him away. To save another girl before it’s too late. Only Detective Anna Gwynne is sure he isn’t the real killer.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

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.

How do you catch a killer who knows your every move? She drew the curtains and returned to the kitchen where she removed the bottle of vodka from the freezer and reached for the large kitchen knife. If he dared to come back, she'd be ready for him. When a body is found hanging in the remains of a dock-side warehouse, detective Kate Matthews is called to the scene.

Detective Constable Janet Scott is subtle and reliable, a diplomatic thinker with a wry sense of humor. She's put in the time and seen it all, but has no desire for the boss's job—she loves her own too much. Rachel Bailey couldn't be more different—she's energetic, impulsive, and ambitious, and has just been transferred to the Manchester murder squad. Their commander thinks Rachel's intuition could make her a great cop, but has reservations about her shoot-first-think-later approach, so she partners her with Janet.

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 Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

Suzanne's life changes forever the day she receives a visit from Rose Anderson, the woman who has been living with her estranged father, Don. Don is dead, but Rose wants Suzanne to have his possessions - including a series of intimate diaries and a mysterious collection of photographs of women. To Suzanne's shock, one of the photos is of her friend, Sophie, who died 10 years ago in an unexplained and devastating fire. But Don met Sophie only once, during an unsettling visit he paid Suzanne just days before Sophie's death.... So why did he have a picture of her?