Deep Blue Sea

Deep Blue Sea (1999) on 123movies: action and horror film starring Saffron Burrows and Thomas Jane. Plot summary, full cast and release details. 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.