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A group of biologists finds a vast, unexplored cave network in Romania, thinking it's a pristine ecosystem with new species. To investigate, they hire a team of American underwater cave explorers. But soon, they get trapped by a rock slide and realize that a large carnivorous creature has made them part of its food chain.
- Type
- Film
- Status
- Released
- Release
- August 26, 2005 (19 years ago)
- Alias
- Prime Evil
- Language
- English
- Origin
- Germany · United States
- Production companies
- Cineblue Internationale Filmproduktionsgesellschaft · Cinerenta Medienbeteiligungs KG · City Productions · Lakeshore Entertainment · Screen Gems
- Runtime
- 1h 37m
- Rating
- PG-13
