汽车人和霸天虎连年不断的战争，给地球带来了莫大的伤害。为此，地球各国联合成立反应部队，针对变形金刚无论正邪一律绞杀。与擎天柱交往甚密的地球人凯德•伊格尔（马克·沃尔伯格 Mark Wahlberg

After the tragic deaths of her husband and daughter, Sarah Doyle moves back to her childhood home