The Invaders(1929)

"AN EPIC OF THE WEST!"

Overview

Two children--a brother and sister--are the only survivors of an Indian attack on a wagon train, and are soon separated. An army officer adopts the boy, and the girl is taken to live with Indians and renamed Black Fawn. When the boy grows up he joins the cavalry and finds himself in the middle of an Indian war as he searches for his long-lost sister.