Optimus Prime and the Triggerbots - Backstreet, Dogfight and Override - brave the flames of Boltax! As well as having to contend with molten minefields and living creepers, the soon-to-be Autobot leader must deal with the malevolent Megatron, out to steal the world-shaking secret of Boltax for himself! You may be wondering what interest this could have for present-day Decepticon commander, Ratbat and his new second-in-command, Starscream. Well, the flashback to Cybertron's past forms the information stored on the two Autobot cassettes, Raindance and Grandslam, and could spell disaster for Autobot and Decepticon alike!