A classic Western confrontation unfolds when a cunning horse thief leader targets a wealthy Montana rancher's prized livestock and family. The rancher responds by enlisting a ruthless regulator to systematically eliminate the rustling gang. Directed by Arthur Penn and written by Thomas McGuane and Robert Towne, this film features powerhouse performances from Marlon Brando, Jack Nicholson, and Randy Quaid, delivering a tense exploration of frontier justice and moral ambiguity.