Destron uses the SS Device flown in from their South American base, in an attempt to conquer the island of Shikoku. Fukazawa, a scientist forced to work for Destron, manages to escape with the schematic. When Kazami Shiro receives word, he heads immediately for Shikoku via ship, but is attacked by Guillotine-Saurus. Can V3 break through and save Shikoku from Destron's grip?