Transformers Dark of the Moon 3D 2011 A hidden Autobot spacecraft on the moon holds technology that could alter the Autobot Decepticon war. Both sides race to retrieve it. Autobots work with human allies while a conspiracy dating back to the Apollo missions is uncovered. Megatron plans to use the technology to enslave humanity. The film culminates in a high stakes battle in Chicago where the Autobots must stop the Decepticons. The story explores loyalty sacrifice and the battle between good and evil. Optimus Prime confronts Megatron and ends the war. The Autobots prevail but at great cost. Spectacular visual effects drive the action. Humanitys survival depends on both robots and humans working together. The battle destroys much of Chicago but freedom prevails. Optimus stands victorious. The movie concludes the original trilogy with an epic showdown. The film delivers large scale destruction and heroism. The Autobots remain Earths protectors. The ending provides closure to the war.