Following the invention of a life-saving artificial heart, a test that accidentally kills a volunteer subject sends Dr. Henryk Savaard (Boris Karloff) to the gallows. Before dying, Savaard vows to avenge his death. (Sony Pictures)
Following the invention of a life-saving artificial heart, a test that accidentally kills a volunteer subject sends Dr. Henryk Savaard (Boris Karloff) to the gallows. Before dying, Savaard vows to avenge his death. (Sony Pictures)
