Pike (Jim Brown), the right-hand man of cattle rancher Bob Morgan (Dana Andrews), is entrusted with a mission to deliver $86,000 across the border to the Morgan Ranch in Sonora, Mexico after his boss dies. Pike teams up with dishonest gambler Tyree (Fred Williamson) and they are forced to trust each other while being pursued by various outlaws and gunmen trying to possess the money, including the ruthless bounty hunter Kiefer (Lee Van Cleef) and corrupt sheriff Kane (Barry Sullivan (actor)).