A cattle heist sends the team on an urgent search for the missing livestock and driver as well as the thieves. Walt is concerned by Vic's fearful behavior when she receives a mysterious bouquet of flowers.

When a body is found in a compost heap, the victim's history of abusive behavior 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.

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

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

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

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.

With the help of Vic and Henry, Longmire investigates a backcountry murder with ties to a tribal family.

Longmire and his team investigate the death of an exotic dancer with possible Amish roots. Cady's new relationship stirs up controversy.

Longmire uncovers long-buried family secrets when he probes the deaths of a man and his award-winning horses in a barn fire.

Walt suspects a bear was baited to fatally attack a released murderer. Branch's retired uncle, a former sheriff, can't resist the lure of law enforcement.

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.

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, and Branch closes in on the truth about Cady's accident.

A fisherman discovers the bodies of two murder victims, including a teen from the Cheyenne reservation.

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 Philly shows up in Durant.

A wealthy beer distributor is brutally assaulted for a seemingly worthless painting; Vic's husband is jealous of her relationship with Walt; Branch's father uncovers information damaging to Walt's campaign.

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.

On election day, Walt and Branch aren't thinking about politics when Cady is badly injured by a hit-and-run driver. Vic and Ferg investigate, and Walt has a flashback to when Cady was a little girl.

Longmire investigates after he receives a safe deposit box from a just-murdered inmate that contains a severed finger that is linked to both a new murder and a 20-year-old armed robbery. At the same time, Vic's paranoia peaks when she suspects she is being stalked, forcing her to confide in Walt.

Walt and the team track missing teenage campers on a leadership trip in the wilderness. Branch continues his unauthorized search for his shooter.

Henry uses his tracking abilities to locate an unstable young woman who may be involved in the murder of a gas-station owner.

A life insurance policy complicates the investigation into a farmer's apparent murder. Branch and Cady check out a lead in Denver. Vic receives an ultimatum from Sean.

Walt and Vic investigate the bizarre kidnapping of a despised drug company CEO. Henry and Mathias deal with the ramifications of an overdose.

While Henry recuperates, Walt investigates the murder of a man whose land is popular with treasure hunters.

Walt and the team look into the disappearances of several Cheyenne foster children and an unregistered sex offender.

An investigation into the murder of a Russian adoptee leads the team into a shady underworld. Henry faces trouble behind bars while Cady attempts to secure him competent legal representation.