Nobody knows who employed shadowstrike, but everyone, autobot and decepticon alike, know his mission; destroy ALL cybertronian life across the galaxy. His first stop was earth, and he targets the two sides individually. This causes them to go into full warfare, killing each other off. However, as the two sides regain their senses and realise something's wrong, a new question arises. Why is he attacking them? Who wants them dead? The answer will shake them to their very core...