In the heart of Styria the Karnstein Family, even after their mortal deaths, rise from their tombs spreading evil in the countryside in their lust for fresh blood. Baron Hartog…

In his remote China hideaway the evil Fu Manchu plots the death and discredit of his arch rival, Inspector Nayland Smith of Scotland Yard.

Sinbad and his crew intercept a homunculus carrying a golden tablet. Koura, the creator of the homunculus and practitioner of evil magic, wants the tablet back and pursues Sinbad. Meanwhile…