VIDEO: The Alliance Is Over! Watch All-New Trailer for TRANSFORMERS: THE LAST KNIGHT

For centuries they defended our world, but on June 21 our alliance is over! Below, check out the all-new trailer for Michael Bay's TRANSFORMERS: THE LAST KNIGHT, starring Mark Wahlberg, Josh Duhamel, Anthony Hopkins, Laura Haddock, Isabella Moner, Stanley Tucci, and John Turturro.

The Last Knight shatters the core myths of the Transformers franchise, and redefines what it means to be a hero. Humans and Transformers are at war, 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. Saving our world falls upon the shoulders of an unlikely alliance: Cade Yeager (Mark Wahlberg); Bumblebee; an English Lord (Sir Anthony Hopkins); and an Oxford Professor (Laura Haddock).

There comes a moment in everyone's life when we are called upon to make a difference. In Transformers: The Last Knight, the HUNTED will become heroes. Heroes will become villains. Only one world will survive: theirs, or ours.

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