When a young girl is found dead in the mountains outside Timber Creek, life-long resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town.

"Colorado's Redstone Ridge is a place of extraordinary beauty, but this rugged mountain wilderness harbors a horrifying secret. When a charred body is discovered in a shallow grave on the ridge, officer Mattie Cobb and her K-9 partner Robo are called in to spearhead the investigation. But this is no ordinary crime--and it soon becomes clear that Mattie has a close personal connection to the dead man. Joined by local veterinarian Cole Walker, the pair...

"Deputy Mattie Cobb and her sister, Julia, travel to Mexico to visit their mother, but when they arrive, they discover that she and her husband have vanished without a trace. Back in Timber Creek, Mattie finds a chilling note on her front door telling her to look for "him" among the standing dead up in the high country. The sheriff's department springs into action and sends a team to the mountains, where Mattie's K-9 partner, Robo, makes a grisly...

Chloe St. John and her K-9 German shepherd partner, Hank are asked to be part of a task force assembled to bring down a ring of human traffickers. For the past year Chloe St. John has been working as a K-9 cop with her German shepherd partner, Hank. Now a serious case of human trafficking with connections to her missing cousin just landed in her lap. When US Marshall Blake MacCallum's daughter goes missing, he's ordered to kill the judge he's protecting...

FBI Special Agent Meg Jennings and Hawk, her loyal search-and-rescue Labrador, must zero in on one of the deadliest killers in the country, a serial bomber who draws Meg and Hawk into a battle of wits and survival skills.

When Deputy Ken Brody's sweetheart goes missing in the mountains outside Timber Creek, Mattie Cobb and her K-9 partner Robo are called to search. But it's mid-October and a dark snow storm is brewing over the high country. And they're already too late. By the time they find her body, the storm has broken and the snow is coming down hard. While Brody hikes down to bring back the forensics team and veterinarian Cole Walker gathers supplies to protect...

K9 handler, Ryder Creed and his scent dog, Grace return to Nebraska to join FBI Agent, Maggie O'Dell and Special Investigator, Tommy Pakula on the same task force that helped rescue his sister, Brodie a year ago. But their job is interrupted when a rural postal carrier finds a black, plastic bag discarded in a grassy roadside ditch.