Autobots and Decepticons face their ongoing battle to destroy each other's forces in a world where once-fundamental rules are valid no longer. They do not feud over Energon; now they fight to recover four ancient artifacts of great power: the Cyber Planet Keys, dormant for ages on Earth, Speed, Jungle, and Giant Planets. Unicron is no more; in his place, sheer empty Void without will or being, in the form of a massive black hole, threatens to devour the entire universe. The conflict, too, draws many to itself, as whole worlds of previously unknown neutrals join forces with either side. Even time proves no barrier, and figures from the forgotten past appear to join the fight against universal extinction!