The Templeton brothers—Tim and his Boss Baby little bro Ted—have become adults and drifted away from each other. Tim is now a married stay-at-home dad. Ted is a hedge fund CEO. But a new boss baby with a cutting-edge approach and a can-do attitude is about to bring them together again … and inspire a new family business.
In a dying 1950's town, a mysterious traveler propositions a young farmhand, Donnie, to help take down the town's tyrannical leader in exchange for the release of Donnie's mother from a primitive mind rehabilitation center.