Inspired by Dee Brown's acclaimed bestseller, the HBO Films event begins powerfully with the Sioux triumph over General Custer at Little Big Horn. The action centers on the struggles of three characters: Charles Eastman (Adam Beach, FLAGS OF OUR FATHERS), a young, Dartmouth-educated Sioux doctor; Sitting Bull (August Schellenberg, THE NEW WORLD), the proud Lakota chief who refuses to submit to U.S. government policies designed to strip his people...