When a mysterious disease threatens to derail the dreams of Texas cattlemen and their cowboys, Joe McCoy establishes the first "cow town" of Abilene as a railway shipping point in the middle of nowhere.
Investigating whether Billy the Kid was a cold-blooded killer who murdered 21 men or an orphaned teenager driven to avenge the death of the only man who offered him a place to belong.
Investigating whether Tom Horn was a cold-hearted killer for hire or an innocent man who was framed before being hanged for the murder of a 14-year-old boy in 1903.
Wealthy cattle barons are pitted against homesteaders in a brutal range war that erupts in Wyoming in 1889.