Beneath

A crew of coal miners becomes trapped 600 feet below ground after a disastrous collapse. As the air grows more toxic and time runs out, they slowly descend into madness and begin to turn on one another.

Beneath is a 2014 drama mystery movie directed by Ben Ketai, starring Jeff Fahey, Brent Briscoe, Kurt Caceres. It holds an IMDb rating of 5.4/10 from 5,066 votes and runs 1h 29m.