Cochise County sheriff Joanna Brady investigates the death of handicapped woman who had wandered away from a care facility with a suspicious track record and the deaths of an elderly couple who were presumably consenting partners in a suicide pact.

Agents from the FBI and Florida Department of Law Enforcement investigate a series of murders linked to conspiracy theorists and doomsday cults.

Police detective Daniele Harper turns to the Delphi Center crime lab for help in investigating a high-profile double murder, but regrets it when her attraction to their chief firearms examiner threatens her focus on the case.

In the night-still canyons of the Arizona desert, a girl is on the run. Alone but for her beloved red-tailed hawk, she flees from the dark shadows of her young life, the horror she has witnessed and the terror that now stalks her.

Sheriff Joanna Brady investigates a series of deaths in Cochise County, Arizona, where the victims were shot and scalped. Suspicion centers on a nearby ranch where European tourists come to play at Indians.

"22-year-old Olivia has been missing for one day...and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get. Because the criminal at the heart of the disappearance...

Sheriff Martha Ettinger investigates the suspected murder of a young man retrieved from the Madison River in Montana with a trout fly stuck in his lip.

"Spain, 2020. When ex-pat fugitive Jack Cleland watches his girlfriend die, gunned down in a pursuit involving officer Cristina Sanchez Pradell, he promises to exact his revenge by destroying the policewoman Cristina's aunt Ana has been deaf-blind for the entirety of her adult life: the victim of a rare condition named Usher Syndrome. Ana is the centre of Cristina's world, and of Cleland's cruel plan. John Mackenzie, an ingenious yet irascible Glaswegian...

"Returning to Northern Arizona University for her sophomore year, Jennifer Brady becomes a big sister to her new roommate, Beth Rankin, a brilliant yet sheltered, homeschooled, sixteen-year-old freshman. With her first taste of both freedom and unfettered access to the internet, Beth at war with her parents. Jenny asks to invite Beth home for Christmas, and Sheriff Joanna Brady says yes. While Joanna's department is sucked into a complex officer-involved...