In Mexico City, the former CIA assassin and presently an alcoholic decadent man John Creasy is hired by the industrialist Samuel Ramos, with the recommendation of his old friend Rayburn, to be the bodyguard of his young daughter Pita and his wife Lisa. Pita changes the behavior of the cold Creasy, making him live and smile again, and he feels a great affection for her. When the girl is kidnapped Creasy swears to kill each one responsible for the abduction.
