Five people, three brothers and their two friends are chosen to pilot the powerful robot Voltes V to protect the Earth against the Boazanians and their legion of Beast Fighters.

The story of three brothers, Steve, Big Bert, and Little Jon Armstrong, and their friends Jamie Robinson and Mark Gordon, as they fight the forces of humanoid aliens known as Boazanians who plans to invade the earth and launch their beast fighters all over the world.—GMA