In this installment of the Transformers franchise, humanity is at odds with the Transformers, and Optimus Prime is missing. The key to saving the future lies buried in the secrets of the past, in the hidden history of Transformers on Earth. The film stars Mark Wahlberg, Anthony Hopkins, and Laura Haddock, and is directed by Michael Bay. Notably, the movie features impressive visual effects and action sequences typical of Bay’s style. For those interested, it can be viewed for free on 123Movies / Movies123.