Our story shifts once more to Cybertron. Here we find the Autobots' two greatest warriors, Ultra Magnus and Optimus Prime, battling side by side. the tide of war turns as they lead the revitalised Autobot resistance movement, to strike at the heart of the Decepticons' power base. Strong leadership is needed to counter the Magnus/Prime threat, but since his own return to Cybertron, Megatron has found he's increasingly at odds with Lord Straxus! Worse, it's clear to Straxus that Megatron is increasingly at odds with himself! As the Magnus and Prime double act goes into action, it's double-cross time for their enemies...