Paranoia (Orgasmo)

6 (Imdb)
R Two step-siblings exploit a widow\\\\\\\'s loneliness.
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A newly widowed rich American woman arrives at her Italian villa, and two seductive step-siblings exploit her loneliness and ingratiate themselves into her life, but their true motives threaten her sanity and life.
Cast: Carroll Baker, Lou Castel, Colette Descombes
Director: Umberto Lenzi (1969 • 1h 30m)