Synopsis

There is an abandoned place nestled deep in Appalachian country where underground coal mines have been ablaze for decades. When a team of researchers try to find out how the fires started, they soon discover something more startling than the mystery that sent them there: they're not alone.

There is an abandoned place nestled deep in Appalachian country where underground coal mines have been ablaze for decades. When a team of researchers try to find out how the fires started, they soon discover something more startling than the mystery that sent them there: they're not alone.