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The Cave is a 2005 sci-fi/horror film directed by Bruce Hunt. The MPAA rated this film with a PG-13 for intense creature violence.

Deep in the Romanian forest, a team of scientists stumble upon the ruins of a 13th century abbey. On further inspection, they make a startling discovery: the abbey is built over the entrance to a giant underground cave system. These scientists are Dr. Nicolai and his associate Bacovia Radescu. Local biologists believe the cave could contain an undiscovered ecosystem, so they hire a group of American spelunkers to help them investigate its depths. Also tagging along is cameraman Alex Kim.

Jack and his brother Tyler are the thrill-seeking professional cave explorers hired by the scientists. The two run a world famous team of divers. They arrive in Romania with the latest equipment, including a modified rebreather system allowing a diver to remain submerged for up to 24 hours. The diving team, which includes Charlie, Briggs, sonar expert Strode, and Buchanan, begins its exploration. In the cave, they discover bizarre creatures, and also a group of explorers from three decades ago, who are no longer human.