The Decepticon Headmasters launch a brutal nighttime raid on an Autobot energy plant on Earth, as part of a larger plan orchestrated by Scorponok. Galvatron reveals his intentions to make the Earth a part of his own body; when Sixshot questions his trusting Scorponok with this information, Galvatron responds that he's aware of Scorponok's treachery and intends to deal with him. The Autobots return to Athenia, where Highbrow continues his efforts to crack the code that will unlock Scorponok's weakness...