In the Nevada mountains between Las Vegas and Reno in the desolate nuclear testing grounds of Dreamland (Area 51), a young couple Megan and Dylan stop in a greasy spoon cafe where they learn about the Area 51 government base a few miles away. After they get back on the road, Dylan turns on the radio. The only broadcast he can find is a speech from Adolf Hitler at the 1936 Olympic Games. The car dies and a visitor appears from another moment in time. When Megan and Dylan look closely they realize that it is Hitler from the past.
Young teenager Sam Witwicky becomes involved in the ancient struggle between two extraterrestrial factions of transforming robots – the heroic Autobots and the evil Decepticons. Sam holds the clue to unimaginable power and the Decepticons will stop at nothing to retrieve it.