DI Drew Haskell is a no-nonsense detective recovering from a devastating personal loss. When a number of young people are found dead in a sleepy Yorkshire village, Haskell believes a murderer is on the loose. But his boss isn't so sure and won't authorize an investigation. Breaking the rules is Haskell's only chance at solving this case.

A sister’s worst nightmare. A homicide detective’s destiny. Everybody loves Claire’s little sister, Tina. But only Claire sees the twisted psychopath hiding behind her sister’s angelic face. When Tina is brutally murdered on her 14th birthday and while in Claire’s charge, Claire never forgives herself. And neither does their mother. Twelve years later, more girls turn up dead in Newburgh exactly like Tina. Claire, now a police detective, suspects that her sister’s murderer is still on the prowl.

Detective Inspector Fenella Sallow is obsessive about her work and driven by her own demons. When the body of a retired artist is discovered atop the blackened embers of the town bonfire, the community is rocked to the core. It falls to DI Fenella Sallow and her team to find out how she came to be there. In her 50s, the veteran detective inspector thought she had seen it all. But behind the curtained windows and closed doors of the idyllic Cumbria coastal setting lurks pure evil.

FBI Special Agent Claire King dies chasing a killer—and is resuscitated minutes later to realize she has changed. Dark images flash through her mind in a newfound power, visions leading her towards serial killers. But the riddles that plague her are obscured and conflicting, and Claire soon realizes that they may lead her to crack a case—or may just put her in the crosshairs of a killer.

DS George Cross can be rude, difficult and awkward with people. But his unfailing logic and dogged pursuit of the truth means his conviction rate is the best on the force. So when his police colleagues dismiss the death of a man as a squabble among Bristol's homeless community, Detective Sergeant George Cross is not convinced.