Desc: ¿Por qué pecamos a los cuarenta?: Directed by Pedro Lazaga. With Fernando Fernán Gómez, José Luis López Vázquez, Juanjo Menéndez, Esperanza Roy. Alejandro Quesada, an eminent doctor in his forties with great success among women, encourages his friends Federico and Enrique to change their attitude towards life despite being married men. In addition, the sudden death of a mutual friend reaffirms them in their desire to enjoy existence and, for this, they look for beautiful lovers younger than their wives.