Set a few years after the defeat of Megatron in the first game/movie, Transformers: Revenge of the Fallen reveals that the threat from the Decepticons is in fact, far from ended. Since the time of the epic and apparently not so final battle between the two Transformer leaders, Decepticons have started popping up again all over Earth in alarming numbers. And now, a mysterious object from space seems destined to shift the balance of power and give the upper hand to the Decepticons.