An average futuristic-prison/prehistoric-reptile picture. World leaders, responding to widespread about violent recidivism, mandate the construction of an impregnable fortress in the Antarctic. Pressured to open the facility on schedule, the Warden (Craig Wasson) ignores his engineer's warnings after workers stumble upon a hollow rock fortress. It ensues that the 10,000,000 year-old geological anomaly wasn't the result of an explosion; it's the home of a no-longer-slumbering behemoth. The penitentiary guards prove no match for "whatever's out there," namely a giant, computer generated snake. Reinforcements arrive in the form of special forces' soldiers, plus paleont...