Old friend Marty O'Bannon, San Francisco Homicide Detective, calls FBI Agent Zack Tolliver early one morning for advice. O'Bannon is at the scene of a murder, the victim's throat ravaged as if by an animal, and no clues to the killer. He now has three particularly vicious unsolved murders, all with the same MO. It is just Zack's kind of case. Agent Tolliver agrees to assist, but a current case at the Navajo Indian Reservation prevents him from leaving.

The ancient Indian art of tracking is his greatest strength...and also his biggest weakness. Fish and wildlife state trooper Gabriel Hawke believes he’s chasing poachers. However, he comes upon a wildlife biologist standing over a body that is wearing a wolf-tracking collar. He uses master tracker skills taught to him by his Nez Perce grandfather to follow clues on the mountain. Paper trails and the whisper of rumors in the rural community where he works draws Hawke to a conclusion that he finds bitter.

Fish and Wildlife State Trooper Gabriel Hawke's job is to find a missing family in the Eagle Cap Wilderness. After finding the parents murdered, can he find a little girl on the run? Hawke is an expert tracker, but he isn’t the only one looking for the child. Even leaving the mountain, the girl isn’t safe. The murderers are looking for something - something they believe the child possesses.

Dela Alvaro is a disabled veteran who grew up on the Confederated Tribes of the Umatilla Reservation. When an IED in Iraq ended her military career, she came home to reassess her life and landed a job in security at the Indian run casino on the reservation. Not even a year into being the assistant to the head of security, Dela is promoted on a trial basis. When one of the casino employees is found stabbed and stuffed in a laundry chute, she knows she can kiss head of security goodbye if she doesn’t find the killer before the media gets hold of the story.

Fish and Wildlife State Trooper Gabriel Hawke encounters a hunter with an illegal tag. The name on the tag belongs to the Wallowa County District Attorney and the man holding the tag isn’t the public defender. As Hawke digs to find out if the DA is corrupt, the hunter’s body is found. Zeroing in on the DA, Hawke finds he has more suspects than the DA and more deaths than the hunter.

Harney County, Oregon, 1968: Nick Drake has a chest full of medals and enough demons to fill a duffel bag. He's been trained to kill but was never retrained to rejoin society. Drake flees to the lonesome high desert in search of redemption and takes a job patrolling wildlife refuges where the only conflicts are keeping out stray cows and ticketing poachers. But then he stumbles across a girl's body ritually placed in a gully. Her murder is only the beginning, and Drake must face humanity's heart of darkness once again if he's to stop a killer from turning even more gullies into graves.

Lacey Fitzpatrick is an ex-LAPD detective with an axe to grind. Tainted by the betrayal of her drug-dealing cop boyfriend, she's on a quest to prove to herself - and the world - that she's still a competent crime-fighter. In order to do that, she teams up with Sam Firecloud, a half-Navajo man who communicates with ghosts. With his talent and her research, they tackle troubling unsolved crimes, but their latest case is the toughest. They have to solve a murder - where no record of a murder even exists.

Shandra Higheagle is digging up clay for her renowned pottery when she scoops up a boot attached to a skeleton. She calls in Weippe County detective Ryan Greer. The body is decades old and discovered to be Shandra’s employee’s old flame. Ryan immediately pegs Shandra’s employee for the murderer, but Shandra knows in her heart that the woman everyone calls Crazy Lil couldn’t have killed anyone, let alone a man she loved.

On the eve of the biggest art event at Huckleberry Mountain Resort, potter Shandra Higheagle finds herself in the middle of a murder investigation. She’s ruled out as a suspect, but now it’s up to her to prove the friend she witnessed fleeing the scene was just as innocent. With help from her recently deceased Nez Perce grandmother, Shandra becomes more confused than ever but just as determined to discover the truth. While Shandra is hesitant to trust her dreams, Detective Ryan Greer believes in them and believes in her.

The dead body of an illicit neighbor and an old necklace sends potter Shandra Higheagle on a chase to find a murderer. Visions from her dead grandmother reveal Shandra is on the right path, but the woods are full of obstacles - deadly ones. Detective Ryan Greer believes Shandra’s dreams will help solve the mystery, but he also knows the curious potter could get herself killed. He’s determined that won’t happen.