Desc: Un Secreto en la Caja: Directed by Javier Izquierdo. With Alfredo Espinosa. A Secret in the Box is a documentary that explores the life and works of Marcelo Chiriboga (1933-1990), internationally known Ecuadorian writer, member of the "boom" generation (Garcia Márquez, Vargas Llosa, Carlos Fuentes), who remains unknown in his country until today.