In the dying days of the Old West, a struggle to control water in a dusty desert town embroils three hard-bitten gunmen in an epic clash of greed, honour and revenge. Frank (Henry Fonda) is a hired killer who ruthlessly slays an entire family. Cheyenne (Jason Robards) is an infamous bandit framed for the slaughter. And The Man (Charles Bronson) is a mysterious loner determined to exact vengeance for a grudge he refuses to divulge.