Diamonds are no one’s best friend when the jewels in question are smuggled conflict gems. Meg Jennings and her Labrador, Hawk, have undertaken many search-and-rescue missions, but this case has an unusual twist. A Philadelphia syndicate is importing diamonds from war-torn African nations and selling them with fake certificates to Stateside dealers.

A woman is found naked, badly beaten and barely alive in the New Mexico mountains. The shocking discovery plunges Albuquerque Detective Alyssa Wyatt into a case that will test her to the limit. It appears that Callie McCormick is the latest plaything of a shadowy psychopath that leaves a long shadow on the streets of New Mexico - an individual linked to a string of deaths but leaving no evidence. But when Alyssa makes a breakthrough that just might reveal the killer, she unknowingly puts herself in the crosshairs of a brutal maniac - one with an old score to settle.  

Freshman Special Agent Burke Cameron is straight laced, traditionally minded, and comes with a hefty set of old-fashioned values. Burke doesn’t know what to do with the free spirited, progressive woman he’s falling for. He and Susan don’t want any of the same things, and he knows he should move on, but he can’t seem to resist her.

Chris, Kevin, and Kate wake up in a rugged wilderness far from their planned campsite. Their gear nowhere to be found, the three friends are left to make do with nothing but a pack of matches, water canteen, and strange devices displaying a fast approaching countdown fastened around their wrists. In their search for answers and a way home, the friends quickly discover that navigating their new surroundings is the least of their problems. Not only are the friends not alone, but they appear to be part of an elaborate hunting expedition, and they're the targets. 

Russia is playing mind games...They've changed the rules. Can 280 characters destroy a nation? Avery Goodyear, a romance editor from the suburbs, becomes a player in an international game of psychological warfare. The FBI watches the attacks unfold in real time. The enemy's strategy: win hearts and minds to destroy American unity. The FBI focuses its secret weapon, ex-Army Ranger Rowan Kennedy, at the crisis. With a PhD in propaganda, Kennedy puts everything on the line to expose the wealthy oligarchs and high-powered schemers threatening our way of life...and to protect Avery.

He was suspect number one - the man who tried to kill Deputy Mattie Cobb and may have killed her father 30 years earlier. But when Mattie and cold-case Detective Jim Hauck reach the Colorado state prison where they will finally get to interview him, he's found dead in his cell. There's only one clue: a map leading to Timber Creek and rugged Redstone Ridge. Following the clue, Mattie and her K-9 partner, Robo, journey into the burned forest surrounding Redstone Ridge. 

After their last deployment, when she got shot, her fiancé, Martinez, got killed, and his bomb-sniffing dog, Elvis, got depressed, soldier Mercy Carr and Elvis were both sent home, her late lover’s last words ringing in her ears: “Take care of my partner.” On the Fourth of July weekend, when all of Northshire celebrates with fun and frolic and fireworks, the dog alerts to explosives and they find a squalling baby abandoned near a shallow grave filled with what appear to be human bones. 

Crack CIA analyst Trista Gold is a whiz with the computer, but not so much with people. She hides behind her job, analyzing top-secret code and making recommendations on national security. CIA K-9 officer Sgt. Matt Connors suspects that beneath Trista's uptight appearance, there's a sexy woman itching to cut loose. But he doesn't dare act on his attraction. He's a loner and always will be. Keeping away from Trista is a must-do directive. Until he doesn't have a choice. During a routine assignment, Trista stumbles across a cryptic exchange. Then someone tries to murder her - twice.

Ryder Creed and his dogs have been making national headlines after intercepting several major drug stashes being smuggled through Atlanta's airport. But their newfound celebrity has also garnered some unwanted attention. When Creed and one of his dogs are called in to search a commercial fishing vessel, they discover a secret compartment. But the Colombian cartels' latest shipment isn't drugs.

When teenage sisters go missing in the mysterious "Bennington Triangle" of Vermont, an area renowned for its disappearances and strange occurrences over the past 100 years, FBI agent Jack Juarez brings K-9 handler Jamie Flint and her dog Phantom in to assist with the search. When Jack realizes the case shares haunting similarities with the murders of the missing girls' aunts 10 years before, it becomes clear that he and Jamie are dealing with much more than two girls who simply wandered off the beaten path.

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”. 

Combining a trip to see his grandparents with hunting down a K9 dog sounds like a good excuse at the time to Greyson. Somehow the K9 had been accidentally flown halfway around the world in the wrong direction and then lost. Finding the dog wasn’t easy, but Greyson follows the trail of destruction the same as the K9 does...and finds the female shepherd protecting a mother and child...So not what he expected.

It was a normal day. Then they took her. Katie Calumet is on her usual morning run when she hears a baby crying. Fearing a child may be in danger, she stops to investigate - but to her horror the cries are a trap, and a sudden strike to the head knocks her unconscious. When Katie wakes up, blindfolded and with her hands and feet bound, she has no idea where she is.... Investigator Justin Cross takes on the case, but with the trail leading into six million acres of dense forest, and a failing marriage weighing on his mind, finding Katie is his most challenging case yet - not least because the Calumet family are keeping secrets of their own.

While studying wolverines on a wildlife sanctuary in Montana, biologist Alex Carter is run off the road and threatened by locals determined to force her off the land. Undeterred in her mission to help save this threatened species, Alex tracks wolverines on foot and by cameras positioned in remote regions of the preserve. But when she reviews the photos, she discovers disturbing images of an animal of a different kind: a severely injured man seemingly lost and wandering in the wilds.

Landon Gray, a skillful "ferry pilot" who delivers planes to customers has one final drop in Alabama before Christmas. But when an EMP causes the plane he’s in to crash on the remote, snow-covered mountains of North Carolina, he’s rescued by Beth "Bluebird" Sullivan, who claims to have lived off the grid since she was born. Beth brings him back to an isolated cabin to recover while waiting for her father to come back from the nearby town. When he doesn’t return, Beth grows increasingly worried while Landon struggles with being far from home.