The hunters noticed the circling birds against the rose-tinted sky above the rim rock and saw where the flat rays of the early morning sun glinted on something that didn't belong there, and the three of them walked that way. What they find sends FBI agent Zack Tolliver and his friend Eagle Feather in pursuit of a dangerous and powerful killer. 

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.

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.

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.

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.

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.

The body in the arroyo belonged to a man who’d made his living plundering ancient Indian sites. And the only witness to the crime would not change his story: a demon had killed his friend. Sheriff Cliff Lansing has an unexplained death on his hands, and it’s only the beginning. In Las Palmas, New Mexico, a US senator is on his way to meet a Zuni shaman who is holding up a land swap involving 150,000 acres in New Mexico and Arizona. The senator intends to push the deal through. But in a long, dark night on the high desert, he is led into a storm of violence and shame.

Fed up with big city life as a copper in a Southern California town, Officer Mike Taylor hands in his notice and moves to rural South Dakota to be a County Sheriff's Deputy. As a blonde haired, blue eyed Caucasian practicing Native American spirituality from a young age, he just never quite fit in. Hoping for a fresh start, Mike soon learns that changing location doesn't change others' perception of you.

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.