Within (2005)

In Kyzl Kum Desert, Central Asia, a team of explorers learn of a newly discovered cave system and set out on an expedition to explore it. However as soon as they begin the descent, it quickly becomes clear that this was a secret that should have remained below the surface as members of the team find themselves caught in a desperate fight for their lives.

Within is a drama movie featuring Sybil Temchen and directed by Olatunde Osunsanmi.

It is possible to buy Within on Amazon Video and Vudu.