Nino and Caterina have been married for sixty-five years. On the death of Caterina , his daughter Elisabetta, trying to help her father to overcome the loss, hires an editor to write a book on their love story.
In a near future, due to the effects of an uncompromising law on the eco-sustainability of supports, paper has become a rare item, a luxury possession, controlled by the "Big Z": Zimurgh Corporation.