Jack (Hauser) and his brother Tyler (Eddie Cibrian) are thrill-seeking professional cave explorers who run a team of the top divers in the world. They arrive in Romania with all the latest equipment, including a new type of scuba tank allowing a diver to remain submerged for up to 24 hours. The crack unit, which also includes Charlie (Perabo) and Buchanan (Chestnut) immediately begins their exploration. But what they find deep inside the caves is not just a new eco-system, but an entirely new species altogether...

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Ratings and Reviews

4.5 out of 5
75 Ratings

75 Ratings

11% TOMATOMETER

Critics Consensus: Despite its stylized and impressive sets, this horror-monster movie mish-mash suffers from endless cliches and wildly implausible plotlines.

15+ COMMON SENSE

Hectic slasher movie has lots of scares, little plot.

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