Unidentified Flying Objects have been reported and investigated since time began. Many sightings can be explained in rational terms, but 10% of all reports remain mysterious. In this provocative film, award winning filmmaker Lawrence Moore, a founding member of the British UFO Research Association, analyzes video footage of sightings, photographic and radar evidence, as well as statements of eyewitnesses in the U.S., Europe and - for the first time ever - the former Soviet Union.