Young Sister Anna has suddenly gone from devoted nun to lascivious, pleasure-seeking nymphomaniac. Mother Superior is determined to keep Anna's "demonic possession" under wraps until vigilant prayer can expel the evil spirit from the sexy brunette. But concerned Sister Margaret fears for the younger woman's life and mails a letter to a busty newspaper reporter (Siri) alerting her to Sister Anna's plight. As Siri investigates the mystery, the gorgeous blonde uncovers a long history of scandal - and her own secret lesbian urges.