Hiyoshi joined a race of battleship model in Yokosuka, in which he made a model of battleship "Mikasa", which was the pride of Japanese Navy in the beginning of 20th century. He had spent 4 nights to make the ship and Kenichi cannot forbide him from going to the race. The enemy saw this opportunity and tried to separate Hiyoshi from the rest of Voltes team. They sent the serpent NEEGU to after Hiyoshi and his Frigate while the beast DAIGA attack Big Falcon. How can the incomplete Voltes team defeat 2