it talks about how ancient civilizations may have been in contact with extraterrestrials.. Really good movie, you should check it out
It was based on the book "Chariots of the Gods" by Erich von Daniken, a notorious liar and huckster. He blatantly fabricated "evidence" and misrepresented data in his book, and admitted to it years later. Erich von Däniken - RationalWiki As with anything "ancient aliens," make sure you fact check.