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.

A violent gunslinger sees visions of Hell and decides that in order to redeem himself he'll give his ill-gotten loot to save a beautiful nun's orphanage. But when he is ambushed and left for dead, he sets out on a trail of vengeance.