Faced with a broken marriage, a woman decides to try to rekindle incestuous relationship with her younger sister, who is married to a wealthy older man.
Susan Strasberg
Nathalie Delon
Massimo Girotti
Giancarlo Giannini
Lars Bloch
Franco Abbiana
Gianni Pulone
Attilio Dottesio
Rossana Canghiari
Alfonso Giganti
Filippo Perego