[1] It was credited to Ernst R. von Theumer [de] for reasons of European funding.

After two of Stewart's friends are found dead of electrocution, 001's investigation leads him to an expatriate American criminal who was sentenced to the electric chair but escaped from prison.

Seeking revenge, he assembles an army of terrorists based on an island seven miles from Jamaica called Dominica.

His arms smuggling is the beginning of a scheme to attack the United States with the aid of Red China and Cuba.

The film was made during the April Revolution and Foreign Intervention in the Dominican Republic.