An obvious fact

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 to the tiny local police force by a wealthy entrepreneur; and Lola, the real-life femme fatale and namesake for Henry's '59 Thunderbird (and, by…