Crossover sequel to the Robot Romance mecha anime series. In Part 1 Earth, Campbell, Boazan, and Barm are about to sign a four-planet peace treaty when the villain Jewellion interrupts the proceedings and kidnaps the representatives! The pilots of Combattler V, Voltes V, and Daimos rise to the occasion with new upgrades to stop Jewellion's forces and reclaim peace!

In Part 2, Garuda's original flesh and blood self returns to Earth to attempt another takeover! As the Super Electromagnetic Robo teams prepare for another battle, they are joined by unexpected allies in the enigmatic Knight Monohorn and the Future Robo Daltanious!