Classic horror starring Boris Karloff as a man who returns from the dead to seek revenge on those who have violated his grave. Eminent Egyptologist Professor Henry Morlant (Karloff), a believer in the death rituals of the civilisation he has dedicated his life to studying, instructs his servant to bury him with a precious stone that will bring him eternal life. However, when the stone is stolen from his body he rises from the tomb in a supernatural rage and sets out to gain revenge on the thieves.