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.

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

The investigation leads into Sumpter Valley.

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.