Walt urgently pursues a serial killer and his fellow escapees who have taken hostages up a mountain after a prison transfer goes awry. Facing an impending storm with very limited resources, Walt’s mettle is put to the test. Hypothermic hallucinations force him to face his past.

When a body is found in a compost heap, the victim’s history of abusive behaviour leads to a varied list of suspects. Walt and the team must cross county lines to track down the killer. Branch looks into Cady’s abrupt departure from Absaroka County.

Walt and the team explore Absaroka’s Basque community when a shepherd and his dog are found dead. Branch walks a thin line in his alliance with Jacob Nighthorse. Meanwhile, Cady looks to Detective Fales for answers about her mother’s death.

A cattle heist sends the team on an urgent search for the missing livestock and its driver as well as the thieves. When Vic receives a mysterious bouquet of flowers, her fearful behaviour has Walt concerned.

When a teenage girl is found dead, the investigation leads Walt and the team to the illegal sale of prescription drugs. Meanwhile, Henry reconnects with an old flame and Cady returns home.

Walt is tipped off to the murder of a supposed psychic by the Contrary Warrior, a Cheyenne who does the opposite of what people expect. While deciphering his backwards clues, Walt must also deal with a public debate against Branch.

After Henry overhears a disgruntled husband try to order a hit on his wife, Walt and the team must use what little information they have to prevent her murder. Vic is wary when an ex-cop from Philadelphia shows up in Durant, Wyoming.

When a wild horse is found dragging a dead body, Walt discovers evidence of an illegal rodeo at a local farm. Detective Fales comes to town to talk to Henry.

Following an explosion on the reservation and the discovery of a dead body, Walt is bombarded with public confrontation as the Cheyennes blame the blast on a gas leak from a fracking operation run by Newett Energy. Meanwhile, Branch reconnects with Cady and uncovers information that could help him win the election.

On Election Day, a terrible accident puts things into perspective for Walt and Branch. Emotions run high as the team races to find a hit-and-run driver.

When a game warden is killed alongside an elk that was poached, Walt discovers a connection to a rare expensive supplement. Walt completes his sacrifice, while Branch closes in on the truth about Cady’s accident.

After receiving a severed finger at the station that was unexpectedly left to him in a will, Walt connects this seemingly random act to a new murder, as well as an armed robbery twenty years ago. At the same time, Vic’s paranoia peaks when she suspects she is being stalked, forcing her to confide in Walt.

Walt and Branch team up when an apparent suicide is found to be connected to Cady’s accident. Meanwhile, Detective Fales returns to Absaroka County with warrants, forcing Walt and Henry to face what happened in Denver.