A touching dramatization of a short chapter of American history, tracing the life of the last Yahi Indian from his childhood to his death in 1917 and the story of his friendship with an anthropologist after his discovery in northern California in 1911.

During an experiment gone bad, radiation turns a scientist into a raging green behemoth whenever he becomes agitated. Unable to control his transformations, David Banner searches for a cure as he crosses the country, fugitive-style, with a dogged tabloid reporter on his trail.