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.

Retired from active duty, and training recruits for the Impossible Mission Force, agent Ethan Hunt faces the toughest foe of his career: Owen Davian, an international broker of arms and information, who is as cunning as he is ruthless. Davian emerges to threaten Hunt and all that he holds dear -- including the woman Hunt loves.