From out of nowhere, a mysterious alien race known as the Boazan Forces has invaded the Earth. A group of individuals specially trained to handle this kind of situation has been unleashed. Kenichi, Ippei, Daijirou, Hiyoshi & Megumi are the pilots of the Choudenji Machine Voltes V (5), Earth's defense against the Boazan and their terrible Beast Warriors. The plot thickens as the Go Brothers discover their true heritage and the truth behind their father's disappearance. Conflicts and mixed emotions hinder the Go Brothers at times but due to their unwavering desire to find their dad, they must go to the place where it all started. With the help of the rebels based on Earth and on the aliens' homeworld, the Voltes Team has another mission, remove the tyrant Zu Zanbajil and liberate the people of Boazan.
Voltes V narrates the heroic exploits of the young robot pilots known as The Voltes Team and their trials against alien invaders from the planet Boazan. Armed with the Super Electromagnetic Machine Voltes V, the five pilots drive back the invaders one Beast Fighter at a time. The series is different from typical super robot anime of the time in that it illustrates human sentimentality and common values, with underlying themes such as the love of family, equality, selfless sacrifice, team work, and patriotism.
Voltes V is a work that has a heavy revolutionary undertone. The series ends with Voltes V's spectacular counterattack on planet Boazan to liberate the slaves from the oppression of a tyrannical ruler, Emperor Zu Zambojil. After Voltes V, Tadao Nagahama directed the TV anime version of Rose of Versailles, which leaves speculation that perhaps Voltes V was influenced by Nagahama's research on the French Revolution for his future project.[original research?] The theme of enslaved population rising up to overthrow an aristocracy lend support to theory.
Voltes V's arsenal consists of variety of missiles, a bazooka, beams, and weapons such as Chōdenji Top (Similar to the Chōdenji Yo-Yo of Combattler V) and Tenkūken (天空剣 Sky Sword, "Laser Sword" in the English dub, "Excalibur" in the Italian dub). With Tenkūken, Voltes V marks the enemy's final moments with a signature "V" slash. This established it as one of the first super robots to use a sword in its finishing attack.
Voltes V deviates from the robotic design of the Combattler V. Voltes V 's plot has a more serious tone than the comedic storyline of Combattler V. Voltes V also follows a formula similar to that of Daimos.