Cerebros throws a party on Athenia to announce the joint Autobot-human construction of the solar-energy-gathering satellite, Sol 1. Meanwhile, on Chaar, Zarak lies to Cyclonus and Scourge that Galvatron is still alive, recovering from Cybertron's destruction, and has appointed him substitute commander in his place. Cyclonus and Scourge are unsure if they can trust Zarak, but Soundblaster tells the two that they have no choice but to follow him. Learning of Sol 1 from Ratbat and Soundblaster, Cyclonus and Scourge head to Earth with the Predacons and they all launch an attack on the satellite's launch site...