John Henry Sixkiller is sent into Kiowa City, Kansas to find a killer, someone murdering members of the jury that convicted one Henry Garrett of murder that resulted in his hanging. The murders were particularly vicious, torture first, and Judge Isaac Parker was positive it was the hung killer's brother, in prison at the time, behind it all' Sixkiller was to find him and end the farce before any more lives were taken. John Henry's plan was to start a ruckus and gett arrested, then break out to establish his bonafides.