Cade Yeager, along with his daughter and her boyfriend, a street racer, must try to protect the Earth. Optimus Prime is missing, searching along the edge of the universe for his creator, Unicron. However, Unicron creates a plot to destroy Earth, and Optimus must lead the Autobots in their efforts to stop him.
Cade Yeager is under protection of the Autobots Bumblebee, Hound, Drift, and Crosshairs. Cade along with his daughter and her boyfriend a street racer must try to protect the Earth. Optimus is missing, searching along the edge of the universe for his creator, Unicron. However Unicron creates a plot to destroy Earth, and Optimus must lead the Autobots in their efforts to stop Unicron.