Humans and Transformers are at war, Optimus Prime is gone. The key to saving humanity's future lies buried in the secrets of the past, in the hidden history of Transformers on Earth.
The Dowager Countess reveals she has a villa in the south of France, and many of the family follow her there for a rest while some of the family stay behind to keep an eye on the cast and crew of a film which is shooting at the grand estate.