In 1868, after the Civil War, Custer takes charge of a mix of ex-Confederates and criminals, the 7th Cavalry Regiment at Fort Hays, Kansas. His boss General Terry doesn't like his methods or his long blond hair, but he manages to keep fighting the Sioux (the series ends the year before the Little Big Horn).
Custer arrives at his new command, the 7th cavalry, to find the men dispirite...