Believing the Allspark destroyed, Megatron plans to flee the dying planet — but at great cost. Elita’s plan to free some prisoners hits a snag.

Mercenary Transformers come upon the Ark adrift in space. As unlikely allies arrive to rescue the imprisoned Autobots, Megatron reveals Project Nemesis.

Above the planet where the Allspark lies, the Autobots and Decepticons battle while Deseeus closes in to exact revenge upon them all.