Overview
The Scorpion with Two Tails is a 1982 film directed by Sergio Martino.
Plot
Joan has nightmares of Etruscan sacrifices. She knows very well the Etruscan language and her husband Arthur is an archeologist studying Etruscan tombs. In a nightmare she foresees her husband's death. And Arthur is then killed in the same way the Etruscans killed their sacrifice victims, convincing her that someone (or something) may be after her as well.
Cast
From Wikipedia (CC BY-SA 4.0).