Mad doctor Prof. Gregorius Wahl (Herbert A.E. Böhme) drains young women of their blood in an attempt to restore the health of his daughter Elfie (Scilla Gabel), leaving the bodies in a windmill turned into a wax museum. But writer Hans von Arnim (Pierre Brice) has fallen in love with Elfie, and he may be on the verge of uncovering the professor's grisly secret. Bizarre horror tale from Europe also stars Wolfgang Preiss, Dany Carrel. AKA: "Drops of Blood," "Icon." Italian/English export version; 96 min./U.S. version; 95 min./French version; 90 min. Widescreen; Soundtracks: Italian Lossless mono, English Lossless mono, French Lossless mono; Subtitles: English (SDH); audio commentary; visual essay; featurette; interview; theatrical trailers; image galleries; lobby cards; poster; booklet. In Italian with English subtitles/In French with English subtitles/Dubbed in English. Two-disc set.