When miners blast for gold in the 1870's, they accidentally release ancient creatures known as Tommyknockers. The Town of Deer Creek, Nevada is soon under siege with only a handful of survivors held up in the local saloon.

Justine travels to Idaho to learn more about her real father. There she meets Matt, a country boy who loves the night sky. Together they search for answers surrounding her father's struggle with dementia and his obsession with aliens.