Suspecting that a safari guide is a wanted killer, undercover policeman Geoffrey Bishop (Richard Fraser) joins a safari led by the suspect for a scientist that hopes to find and prove that a fabled white gorilla is a missing link.

The story of Dr. Charles Randolph, a scientist dedicated to deciphering the secrets of life and death. Aided by assistant David Cochran, Charles conducts experiments that have horrifying side effects. Charles's lonely wife, Elaine, is frightened by his work, and in order to protect her, housekeeper Maria unleashes a torrent of voodoo that wrecks havoc.