Salvador Medina é um médico do interior que chega a uma grande cidade e não sabe sequer usar os equipamentos que precisa em seu ambiente de trabalho. Um filme mexicano de pura comédia.
American engineer Steve Corey comes to Mexico to work at one of the mining projects owned by Katherine Beckman and her half-brother Paul. He meets Katherine, and the man he is replacing, Bill Maxton, tells him that Katherine is his for the asking..."all you have to do is touch her---she goes off like fireworks. There were plenty of guys before me, and there'll be plenty after me." Steve finds Katherine as advertised but he falls in love with her. Once he sees that the romance is for real, brother Paul is more than a little displeased at this turn of events and brings back one of Katherine's earlier flames, Gus Cole, to tempt Katherine away from Steve.
An international oil company comes into conflict with a Mexican ranch owner who refuses to sell his land, resorting to a devious scheme to try to take over the property.
An artist suffering from mental problems from his experiences during the war goes to Acapulco on his honeymoon. Soon young women are turning up dead in the area, and the ex-GI comes to believe he might be responsible, as he has long stretches where he can't remember anything.
Common efforts of the U.S. government and the Comanche nation to negotiate a peace treaty are sabotaged by renegade Indians and by the short-sighted Indian Commissioner.
