Claudia and Anna join Anna's lover, Sandro, on a boat trip to a remote volcanic island. When Anna goes missing, a search is launched. In the meantime, Sandro and Claudia become involved in a romance despite Anna's disappearance, though the relationship suffers from guilt and tension.
Monica Vitti
Claudia
Gabriele Ferzetti
Sandro
Lea Massari
Anna
Dominique Blanchar
Giulia
Renzo Ricci
Anna's Father
James Addams
Corrado
Dorothy De Poliolo
Gloria Perkins
Lelio Luttazzi
Raimondo
