It is prior to the commencement of World War II, and Japan's fiendish Black Dragon Society is hatching an evil plot with the Nazis. They instruct a brilliant scientist, Dr. Melcher, to travel to Japan on a secret mission. There he operates on six Japanese conspirators, transforming them to resemble six American leaders. The actual leaders are murdered and replaced with their likeness.

A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.

Wealthy John Glidden wants to give his money away to strangers rather than have his relatives fight over it. We see the effect the gifts have on many different sorts of individuals.