Retired C.I.A. Agent Frank Moses reunites his unlikely team of elite operatives for a global quest to track down a missing portable nuclear device.
Autobots and Decepticons are at war, with humans on the sidelines. Optimus Prime is gone. The key to saving our future lies buried in the secrets of the past, in the hidden history of Transformers on Earth.
Death, who takes the form of a young man, asks a media mogul to act as a guide to teach him about life on Earth, and in the process, he falls in love with his guide's daughter.