After the Civil War between the Autobots and Decepticons, the Malto family relocates from Philadelphia to Witwicky, a small town in Pennsylvania. The two young children, Robby and Mo Malto, have an encounter with Terrans, a new breed of Transformers. These Terrans form a bond with the siblings as they come to understand them, becoming a part of their family. Now, adopted into the Malto clan, the Terrans work alongside the children in protecting their new life and finding their place in the world.