Bumblebee and Charlie have been together with Optimis for two years, hunting for the other lost Autobots on Earth, to rebuild their forces. But the war isn't over yet. Optimus Prime needs his top scout to return to Cybertron to find Megatons plans. Bumblebee and Charlie travel to Cybertron to find it in ruins and under Starscream's command. Bumblebee and Charlie must trust each other if they are going to succeed and return to Earth safely.All Rights Reserved