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.
as Sandro
as Claudia
as Anna
as Giulia
as Anna's Father
as Corrado
as Gloria Perkins
as Raimondo
as Prince Godfrey
as Patrizia
as Photographer
as Zuria, the Journalist
as Princess
as Martina
as Ettore (uncredited)
as Old Man on the Island (uncredited)