A great white shark mutates and adapts to freshwater when a US Government bio-terrorism research facility spills its radioactive chemicals into the ocean.
As the shark wreaks havoc on Mississippi river towns and threatens the freshwater system of the country, an embattled local fisherman and his hillbilly crew become destined to kill it.

Starring Kristy Swanson, DB Sweeney, Robert Davi, Wade Boggs, Natacha Itzel, Ashton Leigh, Richard Tanne & Jeff Chase