When oil is discovered in 1920s Oklahoma under Osage Nation land, the Osage people are murdered one by one—until the FBI steps in to unravel the mystery.
Following the murder of her father by a hired hand, a 14-year-old farm girl sets out to capture the killer. To aid her, she hires the toughest U.S. Marshal she can find—a man with 'true grit'—Reuben J. 'Rooster' Cogburn.
