The legend of Voltron is tarnished, and the Voltron pilots have moved on. Or so young cadets Daniel and Vince have been led to believe...

Daniel and Vince arrive at the Castle of Lions and meet a fellow Cadet Larmina, who is revealed to be Princess Allura's niece and the trio are given their "Voltcoms", special gauntlets that will allow them to become future pilot's for the Lions. Meanwhile Kala, a Drule commander, and Maahox, a scientist, succeed in bringing Lotor back to life...

Wade goes insane, replacing all Alliance soldiers with robots, while he sends a massive Robot Lion to battle both the Voltron Force and Kala...