Not of This Earth (1988)

Overview

An extraterrestrial visitor lands on Earth with a desperate mission: to secure human blood as a means of saving his home planet from extinction. Disguised as a wealthy benefactor, he navigates human society while enlisting the help of a nurse to aid in his sinister plan. As the chilling truth unfolds, the nurse uncovers his true identity and the catastrophic implications of his actions. With time running out, she must find a way to thwart the alien's deadly agenda and protect humanity from an impending threat.