When the body of retired Bolivian diplomat Guido Zavala is found floating in his pool, Inspector Alvarez finds that the evidence might point to foul play.
As he slowly uncovers Zavala's past, he learns there are those who have good cause to have disliked him: Jerome Robertson, whose wife has been having an affair with him; Santiago Pons, whose heavy gambling losses have placed him at the other's mercy; Bailey, who suffered in the past because of him.
During his investigations, Alvarez receives threatening phone calls saying that his life is in danger. Panicking, he appeals to Superior Chief Salas for help, but this is denied. It is left to his irrepressible Cousin Dolores to take matters into her own hands…