When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

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.

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.

When the body of a snatched schoolgirl is found in an abandoned biosciences building, the case is first treated as a kidnapping gone wrong. But Detective Kay Hunter isn’t convinced, especially when a man is found dead with the ransom money still in his possession.

When a parish priest is brutally murdered in cold blood, a rural community is left in shock–and fear. New to the Vale of the White Horse, Detective Sergeant Mark Turpin discovers the murder bears the hallmark of a vicious killer who shows no remorse for his victim, and leaves no trace behind. After a second priest is killed, his broken body bearing similar ritualistic abuse, the police are confronted by a horrifying truth–there is a serial killer at large with a disturbing vendetta.