The Gist: After a space expedition brings back the body of an alien species in stasis, it wakes up and begins stealing the life force of every human it comes across turning them into creatures themselves.
Clarification: Even though by definition a creature like this should be designated as a Succubus the fact that their natural form is in fact a giant bat like creature does qualify it as a vampire.
Selling Point: Apparently a wardrobe for Mathilda May was not in the budget as she spends 95% of the film walking around naked (not that I'm complaining).
Female Vampire Factor: So your vampire in the film is played by the very sexy and very naked Mathilda May
Like the very similar succubus she feeds via sucking out her victims life force through mouth contact. In other words french kissing to death. This means that she may be a version of the same species of vampire like in the film "Female Vampire" who steals her victims life force through the genitals (oral sexed to death).