Deep in the mountains of rural Oregon, something sinister lies within. Despite the warnings from local residents about haunted hills, this doesn't stop mine owner Larry Overman on his hunt for gold. Welcome to sleepy Sumpter, a former boomtown tucked in the peaks of the Elkhorn Mountain Range. Larry is the newest owner of the Crescent Mine, an eighty-year old abandoned mine rumored to be still chock full of that shiny, valuable gold… and possibly the spirits of some of its long-dead miners.

One miner runs away; the team use a robotic probe and makes an eerie discovery in the mine.

Two miners claim to have experienced something paranormal while working in the mine, which leaves them feeling frightened. After hearing their story, Patrick and Kristen encounter a mysterious "phantom wind", which leaves proof to the miners claim.

Patrick and Kristen make a discovery about the mine that leads them to believe there is a secret passage to another tunnel, which they set out to find.

The miners vote to begin work in the new shaft, despite concerns raised by Kristen and Patrick, who fear an evil presence is lurking inside the old tunnel.

Season 2 begins with the crew of the Crescent hoping for a bit of normalcy as they return to work, but something strange occurs after they start blasting through new tunnel walls.

A new member of the crew helps break through the debris barrier in the recently discovered ballroom; and a lot of strange setbacks have the guys wondering what else could be in the mine.

RIPA is destroyed in a blast caused by a mysterious fuse malfunction; reports of paranormal activity are on the rise; and the team turn up a chilling connection to the past while searching for a phantom intruder.

Patrick and Kristen's investigation leads to the Geiser Grand Hotel.

The investigation leads into Sumpter Valley.

An encroaching forest fire threatens as the paranormal activity increases.

After another mysterious equipment failure at the Crescent, Patrick and Kristen use a tesla coil to flood the mine.

Stan leaves Eddie in charge; Patrick and Kristen check out a mysterious mine in Arizona.

More mysteries are uncovered as they dig deeper into the mine.

The miners realize they have been working in the wrong direction; Patrick goes on a perilous mission that uncovers more clues to the mine's mysterious Masonic past.

The miners believe they are close to uncovering a mother lode; Kristen and Patrick believe they have what they need to solve the unexplained mysteries of the Crescent.