An extreme adventure tour group headed by deep caving expert John Palmer descends into a 2000 Ft abandoned salt mine , that was mysteriously closed down years ago after an unexplained disaster trapped all of the miners . They prepare for rock slides , blackouts , cave-ins - whatever might threaten their journey and commence their descent into the depths.
- Created by
- Richard Pepin
- Origin
- CA
- TMDB rating
- 3.3 / 10 · 41 votes
