After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

Release Date: 2005-08-26

Genres: Action ,Adventure ,Horror ,Thriller

Director: Bruce Hunt

Actors: Cole Hauser ,Eddie Cibrian ,Morris Chestnut ,Lena Headey ,Piper Perabo ,Rick Ravanello ,Daniel Dae Kim ,Kieran Darcy-Smith ,Marcel Iureș ,Vlad Rădescu

Duration: 1h 37m

IMDB rating: 5.4