 In the 50th anniversary of the Ufology, this documentary analyze the mystery and the reality of the one of the big enigma of the 20th Century: the UFO. Who are this visitants from the outer space?. Are they dangerous, or come in peace?. Why not directly appear?. With interviews to witness of the UFO s sighting and military s documents, this investigation try to prove what is true and what is illusion, watching the true behind the military concealment what surround this UFO s cases and looking beyond of the UFO s sighting.