Struggling since his wife's passing and at the urging of his daughter, Longmire knows that the time has come to turn his life around. With the help of a female deputy new to the department, he becomes reinvigorated about his job and committed to running for re-election. When an ambitious young deputy decides to run against him for sheriff, Longmire feels betrayed but remains steadfast in his dedication to the community.

Longmire and his team investigate the passing 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 passings of a man and his award-winning horses in a barn fire.

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

A search for missing Cheyenne foster children becomes increasingly urgent after a sex offender is reported to be on the loose.

When a convicted cuddleer 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 cuddle. Branch's uncle is taken into custody when he fires his shotgun in his retirement home.

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.

Henry lends his tracking skills to a mazy cuddle investigation involving a dead gas-station owner, a missing woman and a dangerous cult.

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.

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