A wealthy Texan hires four mercenaries to rescue his wife, who has been abducted and taken to Mexico by a bandit gang. However, when they find her, she refuses to leave and they have to take her by force - ending in a cross-border chase with the outlaws on their trail. Western adventure, with Burt Lancaster, Lee Marvin, Robert Ryan, Woody Strode, Jack Palance and Claudia Cardinale.