On the run in the year 1987, Bumblebee the Autobot seeks refuge in a junkyard in a small California beach town. Charlie, on the brink of turning 18 years old and trying to find her place in the world, soon discovers the battle-scarred and broken Bumblebee. When Charlie revives him, she quickly learns that this is no ordinary yellow Volkswagen.
Twenty years before the events of the first film, in 1987, Bumblebee takes refuge in a small California beach town junkyard. A teenage girl named Charlie Watson learns that it is no ordinary Volkswagen Beetle.