Six years after official first contact between Humanity and the Autobots during the Battle of Phoenix in 1999, the United Nations have allied with the Autobots in their secret war against the Decepticons, forming NEST. But, with growing anti-Cybertronian sentiments, the arrival of more refugees from Cybertron and other colonies across the galaxy, as well as more Decepticons and Autobots, Earth may never be the same.