After Dr. Henry Pride (Bernie Casey) accidentally turns himself into an albino vampire with a mania for killing prostitutes, a tough police lieutenant determines to take him down. Overview: An African-American scientist develops a formula to regenerate dying liver cells, but it has the unfortunate side-effect of turning him into an albino vampire with a mania for killing prostitutes. A tough police lieutenant investigating the murders discovers the existence of the dual-personality killer, and determines to take him down.