French horror directed by Jesús Franco and starring Lina Romay. Countess Irina Karlstein (Romay), last descendant of an ancient line of vampires, resides in Madeira and awaits her victims. The countess lures her prey into sexual encounters but takes no satisfaction from them, instead her goal is to leave her victims defenceless and drain them of their blood. The cast also includes Jack Taylor, Alice Arno and Monica Swinn.