A Destron fugitive calls Rider Scouts HQ to reveal a sinister plot, but the line goes dead. Discovering a locker key at the scene, Kazami Shiro is ambushed by Bloodthirsty-Mammoth, but escapes. Shiro retrieves photographs of three members of parliament whom Baron Fang plans to brainwash in order to conquer Japan. So he disguises himself as one of the men and is taken to Destron's outpost. Can V3 stop Baron Fang's diabolical plot?
