In the 1920s, the discovery of oil in the territory of the Osage Nation in Oklahoma unleashed an unimaginable nightmare. The Osage, considered the wealthiest Indian population in the United States due to their resources, have been the victims of a spate of brutal and mysterious murders. One by one, the tribesmen were being assassinated in a sinister effort to take their oil fortunes. This dark period was called the “Osage Killings” and captured the nation’s attention. When the situation became unbearable, the FBI stepped in to investigate and uncover the conspiracies behind these murders. In the end, the investigation led to the uncovering of a deeply disturbing plot and bringing the perpetrators to justice, shedding light on a terrible tragedy.