Set during the American Civil War, this film follows Lieutenant John J. Dunbar, played by Kevin Costner, who also directed the movie. Dunbar is assigned to a remote western outpost, where he forms a unique bond with a tribe of Lakota Sioux. The film explores themes of cultural understanding and the clash between expanding American frontiers and Native American life. It was highly acclaimed, winning seven Academy Awards, including Best Picture and Best Director. For those interested, it can be viewed for free on 123Movies / Movies123.