underground tunnel

While shooting a documentary on the suspicious disappearances within the homeless community, a filmmaker and his crew go missing while uncovering a terrifying and vicious secret below ...

Three workers die in a mysterious explosion accident deep down in a mine shaft. The incident is obscured, but rumors begin to spread about a find that no one can explain.

A homeless woman living in the tunnels below New York City survives on her own terms in the days leading up to a blizzard.

A mother, herself retired from the police, embarks on an underground exploration of Paris to find her daughter, a missing investigator on a mission.

In the final days of WWI a shell-shocked soldier must lead a mission deep beneath the trenches to stop a German plot that could turn the tide of the war.