In the midst of the largest motorcycle rally in the world, a young biker is run off the road and ends up in critical condition. When Sheriff Walt Longmire and his good friend Henry Standing Bear are called to Hulett, Wyoming -- the nearest town to America's first national monument, Devils Tower -- to investigate, things start getting complicated. As competing biker gangs, the Bureau of Alcohol, Tobacco, and Firearms, a military-grade vehicle donated...

A Wyoming sheriff struggles to cope with his wife's death as he attempts to move on with his life and career.

The unflappable Sheriff Walt Longmire and his deputies are trying to put the troubling events of the past behind them. The mysterious White Warrior who tormented Branch is dead. Walt's best friend Henry Standing Bear is a free man. Longmire's right-hand deputy Victoria "Vic" Moretti is newly divorced. And the mystery of Walt's wife's murder is seemingly resolved. But, the opening of the new casino on the Reservation brings dark new problems to Walt's...