Rome, 1977. Luciano Baccarini, married to the rich Irene Oro, is murdered at home while preparing a romantic dinner on the terrace for his lover. The investigations immediately focus on the man's private life.

Marina Malfatti
as Irene Oro

Massimo Girotti
as Marcello Masini

Maria Fiore
as Giovanna Pieracci

Nando Gazzolo
as Roberto Cialdi

Laura Becherelli
as Ornella Cialdi

Gisela Hahn
as Monica Baum

Paila Pavese
as Germana Spagna

Francesco Capitano
as Mauro Giuliani

Dario Mazzoli
as Il Commissario

Gianni De Luigi
as Franco Zanni