Watch Massacre for Free: How to Stream the Movie Online at 123Movies. . Upon the death of his father, who was the tribal chieftain, Joe Thunder Horse returns to the reservation of his youth, only to discover that his people are dying of various diseases and are being systematically cheated of their possessions and basic rights by crooked Indian agents. He heads to Washington in hopes of righting these wrongs, only to experience prejudice and hatred all along the way.