Stars: Charlton Heston, James Coburn, Barbara Hershey. In the early 20th century, some convicts while on a road gang escape and one of the convicts is Zach Provo, a half Indian, who was sent to prison during the latter part of the 19th century. He escapes with 6 others to exact vengeance on Sam Burgade the lawman who not only captured him but was also responsible for the death of Provo’s wife, at least in Provo’s mind.