Continuing the very early adventures of the Transformers, the ground-breaking stories that established the Robots in Disguise as the ultimate '80s icons! The balance of power shifts again in the ongoing battle for Earth...and Cybertron. The civil war between the Autobots and the Decepticons rages on two fronts. On Earth, Optimus Prime must face the twin threat of Megatron and Shockwave, as the former and current Decepticon leaders make their respective power plays. On Cybertron, Blaster and the Autobot resistance must break the hold of current Decepticon overlord, Straxus. But Straxus's megalomania cannot be contained by a few billion light years of space...and Earth is squarely in his sights!