It's all come down to this. With the Decepticons gaining ground and the Autobots at the brink, the war for Cybertron careens to its climax. Before now, the planet had known peace for 2,000 years, but there are those who remember the last war, and would bring that knowledge to bear to end the current one. Will more than secrets be unburied? Then, Arcee, Windblade, and Chromia mount a desperate rescue mission that finally reunites Optimus...