SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!

SPOILERS AHEAD

First Signal Plot Summary and Synopsis

When Air Force Space Command receives a signal from an alien satellite in Earth orbit an emergency meeting with the President reveals a government conspiracy.

Source: Wikipedia (CC BY-SA 3.0).

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