The Decepticons, feeding off the energy of captured Mini-Cons, are about to begin a hostile takeover of the Transformers home planet, Cybertron. Do Optimus Prime and the heroic Autobots stand a chance of defending the planet against these super-powered villains? And will the Mini-Cons ever get their freedom back? The action is so explosive that the shock waves will shake not only Cybertron but even planet Earth right down to the core!