Directed by Renny Harlin | Starring: Samuel L. Jackson, Thomas Jane, LL Cool J, Stellan Skarsgård

Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.

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