When Hanlon is suspended from the force for assaulting a suspect, she escapes to the remote Scottish island of Jura, home to the mysterious Corryvreckan whirlpool. But wherever Hanlon goes, violence is sure to follow. As soon as she checks into The Mackinnon Arms, Hanlon senses something isn't quite right about the staff at her home for the week. Sure enough, within days of arriving, the body of a member of staff is found floating in the sea. While police believe she was claimed by the local whirlpool, Hanlon isn't so sure.

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?

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.

Meet DCI Hanlon. A woman with a habit of breaking the rules and a fierce loyalty to the few people she respects. When the kidnap of a 12-year-old boy blows the case of some missing children wide apart, the finger is pointing at the heart of the Met. Hanlon is sent in as the only cop who is incorruptible enough to handle it. But can she find the killer before another child is stolen?

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.