Lou Diamond Phillips

When two of the four teenagers acquitted of raping a Cheyenne girl are murdered, it looks like revenge. But Walt isn't convinced by the evidence and he sets out to find the real killer. Walt faces up to the reality of his wife's death.

Walt investigates the world of underground poker games after the Tribal Council president, who had a gambling problem, is found dead in his car on county land. The list of suspects starts to mount when tribal politics are taken into consideration. Walt feels betrayed when he finds out about Cady and Branch's affair.

After a gas station owner is killed, Walt asks Henry to help track down the barefoot young woman who enlisted the station owner's help while claiming to be in danger. The trail leads them an abandoned baby and a dangerous cult.

A bronc rider, an affair and a secret about a seemingly worthless painting are only a few of the possible motives for why a wealthy beer distributor is found severely beaten. Vic's husband drops in and she makes a great effort to deal with his jealousy of her bond with Walt. Damaging information comes to light that could ruin Branch's campaign.

When a convicted murderer is released early due to overcrowding and then found mauled by a bear, the list of suspects is long. Walt suspects someone baited the bear to attack so the team sets out to track down the bear and the person who used the bear to commit murder. Branch's uncle is taken into custody when he fires his shotgun in his retirement home.

Walt and his team look for a missing unregistered sex offender when several Cheyenne foster children go missing. The children at the foster home insist the others were taken by a "dog soldier" but Walt knows it wasn't a spirit who kidnapped the children.

Longmire has been widowed a year and is still struggling with his wife's death. With the help of his daughter Cady and his female deputy Vic, Longmire is ready to turn his life around, get re-energized about his job as sheriff and put his heart into running for re-election. Even when his ambitious deputy Branch decides to run against him, Longmire continues his unwavering devotion to the community. And when and if Longmire needs support, he has his close friend and confidant Henry Standing Bear.

Officer Jessica Tang prepares for her last day on patrol before she transfers to another precinct as sergeant, but she needs to deal with unresolved issues on her beat first. Ben Sherman and Danny Ferguson are partnered together as Sammy Bryant recovers from his injuries, but Ben wants to spend his time helping the prostitute and her daughter get away from the abusive pimp who is controlling their lives. Meanwhile, Lydia Adams makes a decision about her police duties during the rest of her pregnancy.

Detective Lydia Adams is assigned a new partner, Ruben Robinson, a former Marine, as she confronts a former confidential informant. Officer John Cooper's successful back surgery allows him to return to the job after his treatment for drug addiction. Cooper learns he has been teamed with a new partner, Jessica Tang. No longer a trainee, Officer Ben Sherman is partnered with Sammy Bryant, who continues to struggle with the loss of Nate Moretta.

Fran and Judi meet a man named David at a bar, and he seems interested in Judy, much to Fran's chagrin. But David makes a pass at Fran and she doesn't know how to tell Judy.