Jack Crabb, looking back from extreme old age, tells of his life being raised by Native Americans and fighting with General Custer.

Little Big Man follows the life of Jack Crabb, a white man raised by the Cheyenne Indians, as he recounts his experiences to a historian. Portrayed by Dustin Hoffman, Crabb's narrative explores the complex relationship between Native Americans and European settlers during the late 19th century.

The film combines history, humor, and themes of cultural assimilation and identity crisis. The film offers an immersive journey through the American West, showcasing the clash of two vastly different worlds and the impact of historical events on individuals.