Twilight Sparkle had thought she'd seen the last of Grimlock- and of the Transformers in general. She was wrong. Now, what starts as a simple diplomatic mission soon spirals out of control as an ancient war threatens to come to Equestria!
Unicron awakens, threatening Cybertron's existence. Galvatron refuses to see the truth, however, and Starscream sacrifices himself to unite the warring factions. But instead of death, Starscream is gifted with continued life in a new land.