This series explores our fascination with UFOs and the influence government, private companies and the military may have in shielding the truth. Ignited by a bombshell story revealing that the Pentagon had been tracking UFOs for years, the series examines the history of the phenomenon through cultural and political touchpoints, including testimony from eyewitnesses across the country, asking the most enigmatic questions of all: Why do we believe what we believe? And what is the elusive truth beyond this decades-long mystery?