Alan Holt is a radio expert who has invented a death ray machine for the U.S. government. International spy Drakma wants to get his hands on the invention and he sends his henchmen to attack Holt in his laboratory.
Overview：Alan Holt is a radio expert who has invented a death ray machine for the U.S. government. International spy Drakma wants to get his hands on the invention and he sends his henchmen to attack Holt in his laboratory.
