Dances With Wolves (1990)
A Civil War soldier develops a relationship with a band of Lakota Indians. Attracted by the simplicity of their lifestyle, he chooses to leave his former life behind to be with them. Having observed him, they give the name Dances With Wolves. Soon he is a welcomed member of the tribe and falls in love with a white woman who has been raised in the tribe. Tragedy results when Union soldiers arrive with designs on the land.