Linda and Abilene (1969)

In the 19th century, siblings Abilene and Tod, orphaned on their western farm, become attracted to each other sexually. The confused Tod flees to a nearby town where he meets Linda, a local bar girl, and begins a sexual relationship with her, while a rough cowboy named Rawhide sexually assaults Abilene leaving Tod wanting revenge despite Linda's wariness and growing compassion for Abilene.