The evil mastermind Fu Manchu plots his latest scheme to basically freeze over the Earth's oceans with his diabolical new device. Opposing him is his arch-nemesis, Interpol's very British Nayland Smith.
The Castle of Fu Manchu, released in 1969, is the fifth and final Dr. Fu Manchu film with Christopher Lee portraying the title character. Directed by Jesús Franco, is an English-language co-production among various European countries including the UK, Spain, and West Germany.