When the discarded body of a young woman sparks a manhunt on the streets of Bristol, striking similarities to another murder suggest there’s only one detective for the job. But he’s in disgrace and self-imposed exile. Bitter from a promotional snub and professionally embarrassed by his last failed murder case, DI Robbie Chilcott lives a life of seclusion. But now, he has a chance to restore some pride and put a deadly serial killer behind bars.

Bath, England. As Detective Andrew Deans struggles to be present for his wife's challenging fertility treatment, the case of a missing college student hits a dead end. Under pressure from his job and his marriage, Deans' inquiry takes a turn when he receives impossible-to-deny evidence from a psychic....Despite his lack of belief in the paranormal, following the ghostly thread escalates his missing person case into a murder investigation. Unable to focus on his responsibilities at home, Deans works with the medium to build evidence from a new source: the voice of the victim herself.

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.

When a girl’s body is found strangled, raped, and horrifically mutilated by a boat’s propeller, deep in the heart of the Norfolk Broads, newly arrived Detective Inspector John Tanner is asked to assist with the investigation. At first, all the evidence points to a man who had a multi-million-pound reason to kill her. But when an alibi is produced from an unexpected source, and another body appears at the base of a slipway, Tanner finds himself turning to local girl Detective Constable Jenny Evans for help.

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.

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.

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?

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?

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.

DS Whitney Walker wants a promotion, but it’s hard when she’s trying to balance motherhood with a career. When a newborn baby is kidnapped from the local hospital, she draws on her skills as a mother to help. Despite being ordered not to, and when the leads are going nowhere, Walker enlists the help of a local journalist who’s convinced it’s the work of an international baby smuggling ring. Walker’s plan backfires and she fears they’re running out of time.