Disgraced Detective Dave Slater is stuck on gardening leave, down in the quiet Hampshire town of Tinton, with just one last chance to redeem himself. He must search for mousy young journalist Ruth Thornhill. Months ago, she vanished from her home, her London job, her life. But the Met don't want to know. Now Slater's boss slips him the file, asking him to investigate discreetly, with the help of an unlikely new assistant. Bedraggled fifty-something Detective Norman Norman.

Slim Parsons is all but burned. When her last deep-cover job for MI5 ended with a life-and-death struggle on a private jet, she went on the run from her deadly target–a conniving businessman and money launderer codenamed “Hagfish." Now she's back at home, in hiding from her angry bosses in the Security Service, who have accused her of being overly violent and unsuitable for the role of an MI5 operative. But after several months off the grid, Slim is called back to another job–Operation Linesman–where she is asked to infiltrate a news website.

Terrified he may be going mad, he must keep the disturbing skill secret. But when it proves helpful in tracking his would-be killer, he has no choice but to embrace the newfound power. The retrocognition leads him to the house of a man recently deceased, where he encounters the clever and intriguing Miss Matilda Wren—who may be able to help him solve the many questions raised by the attack.

Maine State Police detective, Doug Bateman, is struggling to keep his life together after the death of his son and the unraveling of his marriage. But when a mutilated corpse is discovered in the local lake, he sees a chance for redemption. Teaming up with a talented new deputy from the Sheriff's office, Bateman throws himself into the investigation, only to discover that the killer is playing a twisted game with them.

Detective Megan Carpenter is no stranger to evil. Escaping the horrors of her old life, she’s vowed never to let anyone hurt her or those she loves ever again. Joining the small police force in Jefferson County’s Port Townsend, Megan is determined to get every victim of a crime the justice they deserve. So when Ruth Turner walks into the Sheriff’s office claiming her sister Ida Watson has been missing for over a month, Megan’s instincts tell her that she needs to do more than just file a report.