In the last months of the American Civil War, a Union cavalry officer is entrusted with tracking down an Apache raiding party that has been attacking military bases in Texas. Short on manpower, he is forced to enlist the aid of Confederate prisoners of war, leading to tension in the ranks. Sam Peckinpah's Western, with Charlton Heston and Richard Harris.

During the last winter of the Civil War, cavalry officer Amos Dundee leads a contentious troop of Army regulars, Confederate prisoners and scouts on an expedition into Mexico to destroy a band of Apaches who have been raiding U.S. bases in Texas.