In the twelfth Longmire novel, Walt, Henry, and Vic discover much more than they bargained for when they are called in to investigate a hit-and-run accident involving a young motorcyclist near Devils Tower—from the New York Times bestselling author of Land of Wolves
 
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....

"Llewelyn Moss, hunting antelope near the Rio Grande, instead finds men shot dead, a load of heroin, and more than $2 million in cash. Packing the money out, he knows, will change everything. But only after two more men are murdered does a victim's burning car lead Sheriff Bell to the carnage out in the desert, and he soon realizes how desperately Moss and his young wife need protection. One party in the failed transaction hires an ex-Special Forces...

Two years earlier, four high school boys were given suspended sentences for raping a Cheyenne girl. Now, two of the boys have been killed, and only Sheriff Walt Longmire can keep the other two safe.

When a lost Mormon boy wanders into Absaroka County, Wyoming sheriff Walt Longmire teams up with deputy Victoria Moretti and friend Henry Standing Bear on a high plains scavenger hunt that leads them to a violent polygamy group.