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              Transformers: Revenge Of The Fallen (2009)
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After a serious situation in Shanghai between the Decepticons, the 
Autobots and human, the North American president decides to blame 
the defensors of Earth leaded by Optimus Prime for the incident. 
Meanwhile, Sam Witwicky moves to the college campus and leaves one 
piece of the cube with his girlfriend Mikaela Banes. However, Sam 
has touched the small metallic piece and has acquired the ancient 
knowledge that interests to the Decepticons that want to retrieve 
it through the brain of Sam. Bumblebee and Optimus Prime protect Sam, 
but when Optimus Prime is destroyed, the life of Sam seems to be in 
danger.

http://www.imdb.com/title/tt1055369