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 ...

An American Ambassador is killed during an attack at a U.S. compound in Libya as a security team struggles to make sense out of the chaos.

Sam Witwicky leaves the Autobots behind for a normal life. But when his mind is filled with cryptic symbols, the Decepticons target him and he is ...