To claim a big inheritance, a down-on-his-luck mechanic must win a series of competitions as outlined in his birth father's will.

On the run in the year 1987, Bumblebee finds refuge in a junkyard in a small Californian beach town. Charlie, on the cusp of turning 18 and trying to find her place in the world, discovers Bumblebee, battle-scarred and broken. When Charlie revives him, she quickly learns this is no ordinary yellow VW bug.