The Ultimate Vampire Resource and Directory

Mary Gordon, an innocent eighteen-years-old, finds herself inexplicably impregnated after a mysterious eleven-hour disappearance in the country. Investigations uncover a complex alien scheme to deliver a "messiah" to save the Earth from mankind's corruption. MJ-12, a secret government agency studying UFOs, wants to kidnap Mary and control the child for its own purposes. But Dr. Stone wants the child dead... at any cost.
When Mary turns up brutally murdered, her sister Lisa vows revenge... only to find herself the new target for the alien conception...