The home world of the TRANSFORMERS – Cybertron – is dying. Battles rage between the Autobots and the Decepticons as the planet is rocked by quakes and violent electrical storms. Energon, the lifeblood of the TRANSFORMERS, is in scarce supply, sparking violent conflicts over precious wells. OPTIMUS PRIME leads his AUTOBOTS in an attempt to man the last transport off his dying home, a ship known as the Ark. Meanwhile, Megatron and his Decepticons push the tide of war straight into the Autobots home city to crush them once and for all. The once Golden Age of Cybertron is over. These are the end of days...