プロポジション　血の誓約 (2005)

In 1880s Australia, a lawman offers renegade Charlie Burns a difficult choice. In order to save his younger brother from the gallows, Charlie must hunt down and kill his older brother, who is wanted for rape and murder. Venturing into one of the Outback's most inhospitable regions, Charlie faces a terrible moral dilemma that can end only in violence.