In 2017 a video was released purporting to show a Navy aircraft engaging with an unidentified flying object. Shannon embarks on her journey to discover the truth behind the UAP mystery by meeting with witness Dan Weese who recalls an encounter with a UFO near the town of Barberton, Ohio that still haunts him to this day. They head back to the initial location in search of answers.

Shannon journeys to Phoenix, AZ to talk with a witness to one of the most well-known mass UFO sightings in history. However, it's not the only such event as we'll soon discover, centuries of history tell of such events around the US. What do they have in common and what can they tell us about the phenomenon as a whole?

From the Hudson Valley of upstate New York to the Sedona desert of Arizona, Shannon embarks on a trip into places around the US with a high number of UFO reports. Along the way she investigates a serious of anomalous sightings near the town of Kecksburg, PA with investigator, Stan Gordon and encounters something strange in the skies above the Arizona desert.

In the Arizona desert we meet a tribal elder who explains what native beliefs regarding UFOs are all about. Shannon meets with locals outside Exeter, New Hampshire to learn about a local case involving a strange craft encounter that changed the lives of all involved.

Shannon and the Small Town Monsters crew make the trek across the Nevada desert to the gates of Area 51 in search of evidence of the cover-up of alien existence. Along the way they learn about the decades-old connection of UFOs to conspiracy theories.

At Brown Mountain in North Carolina, Shannon meets with author, Micah Hanks to discuss and search for evidence of The Brown Mountain Lights. She learns of other, similar anomalies around the US and encounters witnesses who make her begin to second-guess the connection of "mystery lights" and UFOs

In New Hampshire, Shannon and the crew make their way to the location of one of the most infamous abduction events in history which involved Betty and Barney Hill. This event opens the door to thousands of similar incidences around the world involving ordinary people who claim to have been taken by the UFOs.

Shannon meets with a witness in the White Mountains to learn about her close-up encounters with the UAP and to see if they can duplicate them. Then we journey back to Pennsylvania to talk with an investigator who has spent most his life in search of answers to the UFO mystery.