Juan, un joven que trabaja en una estación de servicio, está a punto de casarse con su novia. Diana es una bella mujer, cuyo marido, Marcos, le hace creer que es ella la responsable de que no puedan tener hijos, aunque ella sabe muy bien que el estéril es él. Marcos, influyente hombre de negocios con un brillante porvenir político, le tolera a su mujer cualquier devaneo, incluso que mantenga un romance con Juan.
Juan, a young man who works at a gas station, is about to marry his girlfriend. Diana is a beautiful woman whose husband, Marcos, makes her believe that she is responsible for their inability to have children, even though she knows very well that he is the one who is infertile. Marcos, an influential businessman with a bright political future, tolerates his wife's every indiscretion, including her affair with Juan.