A wealthy business man discovers he has a brain tumor and seeks medical help.
An American reporter in Japan is sent to interview an eccentric Japanese scientist working on bizarre experiments in his laboratory. The reporter gets drugged by the doctor with a serum that transforms him into a hideous, two-headed monster.
Englishmen race to find the tomb of Ghengis Khan. They have to get there fast, as the evil genius Dr. Fu Manchu is also searching, and if he gets the mysteriously powerful relics, he and his diabolical daughter will enslave the world!
A mad scientist injects his enemies with an acromegaly virus, causing them to become hideously deformed.