8 explorers trapped in a Russian cave system are hunted by an unknown presence.
Elenco:
Sybil Temchen
,
Ogy Durham
,
Mustafa Shakir
,
Andres Hudson
,
Danny Jacobs
,
Andrew Caple-Shaw
,
Cassandra Duarden
,
Neno Pervan
,
Johnnie Colter
,
Kamen Gabriel
,
True Tamplin
.