Voltron is down and the people of Earth are only hours away from complete annihilation. In order to preserve all they know, Keith and the rest of his highly trained force must launch a rescue mission to save Voltron, and uncover a terrible secret decades in the making. This is not the first time the Drule Empire has attempted to annex Earth. It's happened before, and even then, Zarkon played a critical role in determining the planet's survival... just not the one everyone thinks. The truth is coming, as Generation Voltron continues...