Dario is a little publisher from Milano. He is joining the Mantova Festival Letteratura (Book fair) 2004. Marta, his unsatisfied wife, accompanies him. Leon is a French designer-photographer. While Dario is busy with his own business, Marta take a visit to the celebrated Palazzo Te; here under Giulio Romano's fresco representing Jupiter's erected penis she meets Leon. Immediately they become lovers and spend the entire book exhibitions' days making love almost everywhere. This liaison will have soon effects also on the regular one between Marta and Dario.