Jacob's troubles escalate at the casino. Walt gets an unexpected visitor. An inevitable confrontation leads to changed lives.

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.

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

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

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.

The bizarre death of a drug dealer points to a violent new Hector. Cady tries to help a sick child whose parents don’t trust Western medicine.

Vic gets a surprise visit from her father. An FBI agent helps Walt pin down the mole working with Malachi. A tough race enables Vic to move forward.

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

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.

Chance Gilbert's plea appearance takes a dramatic turn that pulls Walt away from his own case and sets him and Vic on the path to a showdown.

Walt wonders if a presumed-dead member of the Irish mob is alive. Mathias questions Cady about Catori. A mobile clinic raises Henry's suspicions.

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 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.

Henry renegotiates his deal with Mathias. Walt's search for Donna leads to too many suspects. A phone message sends Walt down an unexpected path.

A bank robbery ends in a shooting, giving Sawyer more leverage against Walt. When Henry goes missing, Cady tells Walt about a disturbing vision.

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

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

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.

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

Vic's vacation turns deadly after she and Sean are kidnapped following an accident. Walt is forced to make an unusual alliance to rescue the pair.

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.

A shaky Walt searches for Donna as he and Vic reconstruct what happened in the cabin. Mathias has a deal for Henry. Cady tells Walt about a job offer.

As the civil trial begins, things don't look good for Walt -- especially after a murder puts him and Vic under suspicion.