The Maximals awaken on Cybertron, unable to remember how they got there. Incapable of transforming, they are hunted down by Vehicle Transformer Drones known as Vehicons.

Tankor uncovers an ancient weapon with the power to turn organic material into cybernetic metal. Nightscream gets hit by the weapon, and the Maximals race against time to save him from going offline.

Megatron prepares a doomsday weapon that can wipe out everything organic on Cybertron -- including the Maximals. Meanwhile, Optimus discovers his own doomsday weapon...

Having destroyed his world, Optimus must face the consequences before The Matrix.